20781468864

素因数分解:

$2^6\times 3^{12}\times {\mathrm{13}}^1\times {\mathrm{47}}^1$

素因数の和:108

約数の個数: 364

約数和(自身を含む): 68032908384

約数和(自身を除く): 47251439520

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 47, 48, 52, 54, 64, 72, 78, 81, 94, 96, 104, 108, 117, 141, 144, 156, 162, 188, 192, 208, 216, 234, 243, 282, 288, 312, 324, 351, 376, 416, 423, 432, 468, 486, 564, 576, 611, 624, 648, 702, 729, 752, 832, 846, 864, 936, 972, 1053, 1128, 1222, 1248, 1269, 1296, 1404, 1458, 1504, 1692, 1728, 1833, 1872, 1944, 2106, 2187, 2256, 2444, 2496, 2538, 2592, 2808, 2916, 3008, 3159, 3384, 3666, 3744, 3807, 3888, 4212, 4374, 4512, 4888, 5076, 5184, 5499, 5616, 5832, 6318, 6561, 6768, 7332, 7488, 7614, 7776, 8424, 8748, 9024, 9477, 9776, 10152, 10998, 11232, 11421, 11664, 12636, 13122, 13536, 14664, 15228, 15552, 16497, 16848, 17496, 18954, 19552, 19683, 20304, 21996, 22464, 22842, 23328, 25272, 26244, 27072, 28431, 29328, 30456, 32994, 33696, 34263, 34992, 37908, 39104, 39366, 40608, 43992, 45684, 46656, 49491, 50544, 52488, 56862, 58656, 59049, 60912, 65988, 67392, 68526, 69984, 75816, 78732, 81216, 85293, 87984, 91368, 98982, 101088, 102789, 104976, 113724, 117312, 118098, 121824, 131976, 137052, 139968, 148473, 151632, 157464, 170586, 175968, 177147, 182736, 197964, 202176, 205578, 209952, 227448, 236196, 243648, 255879, 263952, 274104, 296946, 303264, 308367, 314928, 341172, 351936, 354294, 365472, 395928, 411156, 419904, 445419, 454896, 472392, 511758, 527904, 531441, 548208, 593892, 606528, 616734, 629856, 682344, 708588, 730944, 767637, 791856, 822312, 890838, 909792, 925101, 944784, 1023516, 1055808, 1062882, 1096416, 1187784, 1233468, 1259712, 1336257, 1364688, 1417176, 1535274, 1583712, 1644624, 1781676, 1819584, 1850202, 1889568, 2047032, 2125764, 2192832, 2302911, 2375568, 2466936, 2672514, 2729376, 2775303, 2834352, 3070548, 3167424, 3289248, 3563352, 3700404, 3779136, 4008771, 4094064, 4251528, 4605822, 4751136, 4933872, 5345028, 5458752, 5550606, 5668704, 6141096, 6578496, 6908733, 7126704, 7400808, 8017542, 8188128, 8325909, 8503056, 9211644, 9502272, 9867744, 10690056, 11101212, 11337408, 12026313, 12282192, 13817466, 14253408, 14801616, 16035084, 16376256, 16651818, 17006112, 18423288, 19735488, 21380112, 22202424, 24052626, 24564384, 24977727, 27634932, 28506816, 29603232, 32070168, 33303636, 34012224, 36078939, 36846576, 42760224, 44404848, 48105252, 49128768, 49955454, 55269864, 59206464, 64140336, 66607272, 72157878, 73693152, 85520448, 88809696, 96210504, 99910908, 108236817, 110539728, 128280672, 133214544, 144315756, 147386304, 177619392, 192421008, 199821816, 216473634, 221079456, 256561344, 266429088, 288631512, 324710451, 384842016, 399643632, 432947268, 442158912, 532858176, 577263024, 649420902, 769684032, 799287264, 865894536, 1154526048, 1298841804, 1598574528, 1731789072, 2309052096, 2597683608, 3463578144, 5195367216, 6927156288, 10390734432, 20781468864]

約数ペア:

[(1, 20781468864), (2, 10390734432), (3, 6927156288), (4, 5195367216), (6, 3463578144), (8, 2597683608), (9, 2309052096), (12, 1731789072), (13, 1598574528), (16, 1298841804), (18, 1154526048), (24, 865894536), (26, 799287264), (27, 769684032), (32, 649420902), (36, 577263024), (39, 532858176), (47, 442158912), (48, 432947268), (52, 399643632), (54, 384842016), (64, 324710451), (72, 288631512), (78, 266429088), (81, 256561344), (94, 221079456), (96, 216473634), (104, 199821816), (108, 192421008), (117, 177619392), (141, 147386304), (144, 144315756), (156, 133214544), (162, 128280672), (188, 110539728), (192, 108236817), (208, 99910908), (216, 96210504), (234, 88809696), (243, 85520448), (282, 73693152), (288, 72157878), (312, 66607272), (324, 64140336), (351, 59206464), (376, 55269864), (416, 49955454), (423, 49128768), (432, 48105252), (468, 44404848), (486, 42760224), (564, 36846576), (576, 36078939), (611, 34012224), (624, 33303636), (648, 32070168), (702, 29603232), (729, 28506816), (752, 27634932), (832, 24977727), (846, 24564384), (864, 24052626), (936, 22202424), (972, 21380112), (1053, 19735488), (1128, 18423288), (1222, 17006112), (1248, 16651818), (1269, 16376256), (1296, 16035084), (1404, 14801616), (1458, 14253408), (1504, 13817466), (1692, 12282192), (1728, 12026313), (1833, 11337408), (1872, 11101212), (1944, 10690056), (2106, 9867744), (2187, 9502272), (2256, 9211644), (2444, 8503056), (2496, 8325909), (2538, 8188128), (2592, 8017542), (2808, 7400808), (2916, 7126704), (3008, 6908733), (3159, 6578496), (3384, 6141096), (3666, 5668704), (3744, 5550606), (3807, 5458752), (3888, 5345028), (4212, 4933872), (4374, 4751136), (4512, 4605822), (4888, 4251528), (5076, 4094064), (5184, 4008771), (5499, 3779136), (5616, 3700404), (5832, 3563352), (6318, 3289248), (6561, 3167424), (6768, 3070548), (7332, 2834352), (7488, 2775303), (7614, 2729376), (7776, 2672514), (8424, 2466936), (8748, 2375568), (9024, 2302911), (9477, 2192832), (9776, 2125764), (10152, 2047032), (10998, 1889568), (11232, 1850202), (11421, 1819584), (11664, 1781676), (12636, 1644624), (13122, 1583712), (13536, 1535274), (14664, 1417176), (15228, 1364688), (15552, 1336257), (16497, 1259712), (16848, 1233468), (17496, 1187784), (18954, 1096416), (19552, 1062882), (19683, 1055808), (20304, 1023516), (21996, 944784), (22464, 925101), (22842, 909792), (23328, 890838), (25272, 822312), (26244, 791856), (27072, 767637), (28431, 730944), (29328, 708588), (30456, 682344), (32994, 629856), (33696, 616734), (34263, 606528), (34992, 593892), (37908, 548208), (39104, 531441), (39366, 527904), (40608, 511758), (43992, 472392), (45684, 454896), (46656, 445419), (49491, 419904), (50544, 411156), (52488, 395928), (56862, 365472), (58656, 354294), (59049, 351936), (60912, 341172), (65988, 314928), (67392, 308367), (68526, 303264), (69984, 296946), (75816, 274104), (78732, 263952), (81216, 255879), (85293, 243648), (87984, 236196), (91368, 227448), (98982, 209952), (101088, 205578), (102789, 202176), (104976, 197964), (113724, 182736), (117312, 177147), (118098, 175968), (121824, 170586), (131976, 157464), (137052, 151632), (139968, 148473)]