20457360

素因数分解:

$2^4\times 3^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1$

素因数の和:84

約数の個数: 400

約数和(自身を含む): 90744192

約数和(自身を除く): 70286832

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 40, 41, 42, 44, 45, 48, 54, 55, 56, 60, 63, 66, 70, 72, 77, 80, 81, 82, 84, 88, 90, 99, 105, 108, 110, 112, 120, 123, 126, 132, 135, 140, 144, 154, 162, 164, 165, 168, 176, 180, 189, 198, 205, 210, 216, 220, 231, 240, 246, 252, 264, 270, 280, 287, 297, 308, 315, 324, 328, 330, 336, 360, 369, 378, 385, 396, 405, 410, 420, 432, 440, 451, 462, 492, 495, 504, 528, 540, 560, 567, 574, 594, 615, 616, 630, 648, 656, 660, 693, 720, 738, 756, 770, 792, 810, 820, 840, 861, 880, 891, 902, 924, 945, 984, 990, 1008, 1080, 1107, 1134, 1148, 1155, 1188, 1230, 1232, 1260, 1296, 1320, 1353, 1386, 1435, 1476, 1485, 1512, 1540, 1584, 1620, 1640, 1680, 1722, 1782, 1804, 1845, 1848, 1890, 1968, 1980, 2079, 2160, 2214, 2255, 2268, 2296, 2310, 2376, 2460, 2520, 2583, 2640, 2706, 2772, 2835, 2870, 2952, 2970, 3024, 3080, 3157, 3240, 3280, 3321, 3444, 3465, 3564, 3608, 3690, 3696, 3780, 3960, 4059, 4158, 4305, 4428, 4455, 4510, 4536, 4592, 4620, 4752, 4920, 5040, 5166, 5412, 5535, 5544, 5670, 5740, 5904, 5940, 6160, 6237, 6314, 6480, 6642, 6765, 6888, 6930, 7128, 7216, 7380, 7560, 7749, 7920, 8118, 8316, 8610, 8856, 8910, 9020, 9072, 9240, 9471, 9840, 10332, 10395, 10824, 11070, 11088, 11340, 11480, 11880, 12177, 12474, 12628, 12915, 13284, 13530, 13776, 13860, 14256, 14760, 15120, 15498, 15785, 16236, 16605, 16632, 17220, 17712, 17820, 18040, 18480, 18942, 20295, 20664, 20790, 21648, 22140, 22680, 22960, 23247, 23760, 24354, 24948, 25256, 25830, 26568, 27060, 27720, 28413, 29520, 30996, 31185, 31570, 32472, 33210, 33264, 34440, 35640, 36080, 36531, 37884, 38745, 40590, 41328, 41580, 44280, 45360, 46494, 47355, 48708, 49896, 50512, 51660, 53136, 54120, 55440, 56826, 60885, 61992, 62370, 63140, 64944, 66420, 68880, 71280, 73062, 75768, 77490, 81180, 83160, 85239, 88560, 92988, 94710, 97416, 99792, 103320, 108240, 113652, 116235, 121770, 123984, 124740, 126280, 132840, 142065, 146124, 151536, 154980, 162360, 166320, 170478, 182655, 185976, 189420, 194832, 206640, 227304, 232470, 243540, 249480, 252560, 255717, 265680, 284130, 292248, 309960, 324720, 340956, 365310, 371952, 378840, 426195, 454608, 464940, 487080, 498960, 511434, 568260, 584496, 619920, 681912, 730620, 757680, 852390, 929880, 974160, 1022868, 1136520, 1278585, 1363824, 1461240, 1704780, 1859760, 2045736, 2273040, 2557170, 2922480, 3409560, 4091472, 5114340, 6819120, 10228680, 20457360]

約数ペア:

[(1, 20457360), (2, 10228680), (3, 6819120), (4, 5114340), (5, 4091472), (6, 3409560), (7, 2922480), (8, 2557170), (9, 2273040), (10, 2045736), (11, 1859760), (12, 1704780), (14, 1461240), (15, 1363824), (16, 1278585), (18, 1136520), (20, 1022868), (21, 974160), (22, 929880), (24, 852390), (27, 757680), (28, 730620), (30, 681912), (33, 619920), (35, 584496), (36, 568260), (40, 511434), (41, 498960), (42, 487080), (44, 464940), (45, 454608), (48, 426195), (54, 378840), (55, 371952), (56, 365310), (60, 340956), (63, 324720), (66, 309960), (70, 292248), (72, 284130), (77, 265680), (80, 255717), (81, 252560), (82, 249480), (84, 243540), (88, 232470), (90, 227304), (99, 206640), (105, 194832), (108, 189420), (110, 185976), (112, 182655), (120, 170478), (123, 166320), (126, 162360), (132, 154980), (135, 151536), (140, 146124), (144, 142065), (154, 132840), (162, 126280), (164, 124740), (165, 123984), (168, 121770), (176, 116235), (180, 113652), (189, 108240), (198, 103320), (205, 99792), (210, 97416), (216, 94710), (220, 92988), (231, 88560), (240, 85239), (246, 83160), (252, 81180), (264, 77490), (270, 75768), (280, 73062), (287, 71280), (297, 68880), (308, 66420), (315, 64944), (324, 63140), (328, 62370), (330, 61992), (336, 60885), (360, 56826), (369, 55440), (378, 54120), (385, 53136), (396, 51660), (405, 50512), (410, 49896), (420, 48708), (432, 47355), (440, 46494), (451, 45360), (462, 44280), (492, 41580), (495, 41328), (504, 40590), (528, 38745), (540, 37884), (560, 36531), (567, 36080), (574, 35640), (594, 34440), (615, 33264), (616, 33210), (630, 32472), (648, 31570), (656, 31185), (660, 30996), (693, 29520), (720, 28413), (738, 27720), (756, 27060), (770, 26568), (792, 25830), (810, 25256), (820, 24948), (840, 24354), (861, 23760), (880, 23247), (891, 22960), (902, 22680), (924, 22140), (945, 21648), (984, 20790), (990, 20664), (1008, 20295), (1080, 18942), (1107, 18480), (1134, 18040), (1148, 17820), (1155, 17712), (1188, 17220), (1230, 16632), (1232, 16605), (1260, 16236), (1296, 15785), (1320, 15498), (1353, 15120), (1386, 14760), (1435, 14256), (1476, 13860), (1485, 13776), (1512, 13530), (1540, 13284), (1584, 12915), (1620, 12628), (1640, 12474), (1680, 12177), (1722, 11880), (1782, 11480), (1804, 11340), (1845, 11088), (1848, 11070), (1890, 10824), (1968, 10395), (1980, 10332), (2079, 9840), (2160, 9471), (2214, 9240), (2255, 9072), (2268, 9020), (2296, 8910), (2310, 8856), (2376, 8610), (2460, 8316), (2520, 8118), (2583, 7920), (2640, 7749), (2706, 7560), (2772, 7380), (2835, 7216), (2870, 7128), (2952, 6930), (2970, 6888), (3024, 6765), (3080, 6642), (3157, 6480), (3240, 6314), (3280, 6237), (3321, 6160), (3444, 5940), (3465, 5904), (3564, 5740), (3608, 5670), (3690, 5544), (3696, 5535), (3780, 5412), (3960, 5166), (4059, 5040), (4158, 4920), (4305, 4752), (4428, 4620), (4455, 4592), (4510, 4536)]