20991528432

素因数分解:

$2^4\times 3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1093}}^1$

素因数の和:1222

約数の個数: 400

約数和(自身を含む): 72879829440

約数和(自身を除く): 51888301008

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 29, 36, 42, 48, 54, 56, 58, 63, 72, 73, 81, 84, 87, 108, 112, 116, 126, 144, 146, 162, 168, 174, 189, 203, 216, 219, 232, 252, 261, 292, 324, 336, 348, 378, 406, 432, 438, 464, 504, 511, 522, 567, 584, 609, 648, 657, 696, 756, 783, 812, 876, 1008, 1022, 1044, 1093, 1134, 1168, 1218, 1296, 1314, 1392, 1512, 1533, 1566, 1624, 1752, 1827, 1971, 2044, 2088, 2117, 2186, 2268, 2349, 2436, 2628, 3024, 3066, 3132, 3248, 3279, 3504, 3654, 3942, 4088, 4176, 4234, 4372, 4536, 4599, 4698, 4872, 5256, 5481, 5913, 6132, 6264, 6351, 6558, 7308, 7651, 7884, 8176, 8468, 8744, 9072, 9198, 9396, 9744, 9837, 10512, 10962, 11826, 12264, 12528, 12702, 13116, 13797, 14616, 14819, 15302, 15768, 16443, 16936, 17488, 18396, 18792, 19053, 19674, 21924, 22953, 23652, 24528, 25404, 26232, 27594, 29232, 29511, 29638, 30604, 31536, 31697, 32886, 33872, 36792, 37584, 38106, 39348, 41391, 43848, 44457, 45906, 47304, 50808, 52464, 55188, 57159, 59022, 59276, 61208, 63394, 65772, 68859, 73584, 76212, 78696, 79789, 82782, 87696, 88533, 88914, 91812, 94608, 95091, 101616, 110376, 114318, 118044, 118552, 122416, 126788, 131544, 133371, 137718, 152424, 157392, 159578, 165564, 171477, 177066, 177828, 183624, 190182, 206577, 220752, 221879, 228636, 236088, 237104, 239367, 253576, 263088, 266742, 275436, 285273, 304848, 319156, 331128, 342954, 354132, 355656, 367248, 380364, 400113, 413154, 443758, 457272, 472176, 478734, 507152, 533484, 550872, 558523, 570546, 619731, 638312, 662256, 665637, 685908, 708264, 711312, 718101, 760728, 800226, 826308, 855819, 887516, 914544, 957468, 1066968, 1101744, 1117046, 1141092, 1200339, 1239462, 1276624, 1331274, 1371816, 1416528, 1436202, 1521456, 1600452, 1652616, 1675569, 1711638, 1775032, 1914936, 1996911, 2133936, 2154303, 2234092, 2282184, 2313881, 2400678, 2478924, 2567457, 2662548, 2743632, 2872404, 3200904, 3305232, 3351138, 3423276, 3550064, 3829872, 3993822, 4308606, 4468184, 4564368, 4627762, 4801356, 4957848, 5026707, 5134914, 5325096, 5744808, 5990733, 6401808, 6462909, 6702276, 6846552, 6941643, 7987644, 8617212, 8936368, 9255524, 9602712, 9915696, 10053414, 10269828, 10650192, 11489616, 11981466, 12925818, 13404552, 13693104, 13883286, 15080121, 15975288, 16197167, 17234424, 17972199, 18511048, 19205424, 20106828, 20539656, 20824929, 23962932, 25851636, 26809104, 27766572, 30160242, 31950576, 32394334, 34468848, 35944398, 37022096, 40213656, 41079312, 41649858, 45240363, 47925864, 48591501, 51703272, 55533144, 60320484, 62474787, 64788668, 71888796, 80427312, 83299716, 90480726, 95851728, 97183002, 103406544, 111066288, 120640968, 124949574, 129577336, 143777592, 145774503, 166599432, 180961452, 187424361, 194366004, 241281936, 249899148, 259154672, 287555184, 291549006, 333198864, 361922904, 374848722, 388732008, 437323509, 499798296, 583098012, 723845808, 749697444, 777464016, 874647018, 999596592, 1166196024, 1311970527, 1499394888, 1749294036, 2332392048, 2623941054, 2998789776, 3498588072, 5247882108, 6997176144, 10495764216, 20991528432]

約数ペア:

[(1, 20991528432), (2, 10495764216), (3, 6997176144), (4, 5247882108), (6, 3498588072), (7, 2998789776), (8, 2623941054), (9, 2332392048), (12, 1749294036), (14, 1499394888), (16, 1311970527), (18, 1166196024), (21, 999596592), (24, 874647018), (27, 777464016), (28, 749697444), (29, 723845808), (36, 583098012), (42, 499798296), (48, 437323509), (54, 388732008), (56, 374848722), (58, 361922904), (63, 333198864), (72, 291549006), (73, 287555184), (81, 259154672), (84, 249899148), (87, 241281936), (108, 194366004), (112, 187424361), (116, 180961452), (126, 166599432), (144, 145774503), (146, 143777592), (162, 129577336), (168, 124949574), (174, 120640968), (189, 111066288), (203, 103406544), (216, 97183002), (219, 95851728), (232, 90480726), (252, 83299716), (261, 80427312), (292, 71888796), (324, 64788668), (336, 62474787), (348, 60320484), (378, 55533144), (406, 51703272), (432, 48591501), (438, 47925864), (464, 45240363), (504, 41649858), (511, 41079312), (522, 40213656), (567, 37022096), (584, 35944398), (609, 34468848), (648, 32394334), (657, 31950576), (696, 30160242), (756, 27766572), (783, 26809104), (812, 25851636), (876, 23962932), (1008, 20824929), (1022, 20539656), (1044, 20106828), (1093, 19205424), (1134, 18511048), (1168, 17972199), (1218, 17234424), (1296, 16197167), (1314, 15975288), (1392, 15080121), (1512, 13883286), (1533, 13693104), (1566, 13404552), (1624, 12925818), (1752, 11981466), (1827, 11489616), (1971, 10650192), (2044, 10269828), (2088, 10053414), (2117, 9915696), (2186, 9602712), (2268, 9255524), (2349, 8936368), (2436, 8617212), (2628, 7987644), (3024, 6941643), (3066, 6846552), (3132, 6702276), (3248, 6462909), (3279, 6401808), (3504, 5990733), (3654, 5744808), (3942, 5325096), (4088, 5134914), (4176, 5026707), (4234, 4957848), (4372, 4801356), (4536, 4627762), (4599, 4564368), (4698, 4468184), (4872, 4308606), (5256, 3993822), (5481, 3829872), (5913, 3550064), (6132, 3423276), (6264, 3351138), (6351, 3305232), (6558, 3200904), (7308, 2872404), (7651, 2743632), (7884, 2662548), (8176, 2567457), (8468, 2478924), (8744, 2400678), (9072, 2313881), (9198, 2282184), (9396, 2234092), (9744, 2154303), (9837, 2133936), (10512, 1996911), (10962, 1914936), (11826, 1775032), (12264, 1711638), (12528, 1675569), (12702, 1652616), (13116, 1600452), (13797, 1521456), (14616, 1436202), (14819, 1416528), (15302, 1371816), (15768, 1331274), (16443, 1276624), (16936, 1239462), (17488, 1200339), (18396, 1141092), (18792, 1117046), (19053, 1101744), (19674, 1066968), (21924, 957468), (22953, 914544), (23652, 887516), (24528, 855819), (25404, 826308), (26232, 800226), (27594, 760728), (29232, 718101), (29511, 711312), (29638, 708264), (30604, 685908), (31536, 665637), (31697, 662256), (32886, 638312), (33872, 619731), (36792, 570546), (37584, 558523), (38106, 550872), (39348, 533484), (41391, 507152), (43848, 478734), (44457, 472176), (45906, 457272), (47304, 443758), (50808, 413154), (52464, 400113), (55188, 380364), (57159, 367248), (59022, 355656), (59276, 354132), (61208, 342954), (63394, 331128), (65772, 319156), (68859, 304848), (73584, 285273), (76212, 275436), (78696, 266742), (79789, 263088), (82782, 253576), (87696, 239367), (88533, 237104), (88914, 236088), (91812, 228636), (94608, 221879), (95091, 220752), (101616, 206577), (110376, 190182), (114318, 183624), (118044, 177828), (118552, 177066), (122416, 171477), (126788, 165564), (131544, 159578), (133371, 157392), (137718, 152424)]