20163949728

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{65413}}^1$

素因数の和:65471

約数の個数: 144

約数和(自身を含む): 60332640480

約数和(自身を除く): 40168690752

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 32, 38, 39, 48, 52, 57, 76, 78, 96, 104, 114, 152, 156, 169, 208, 228, 247, 304, 312, 338, 416, 456, 494, 507, 608, 624, 676, 741, 912, 988, 1014, 1248, 1352, 1482, 1824, 1976, 2028, 2704, 2964, 3211, 3952, 4056, 5408, 5928, 6422, 7904, 8112, 9633, 11856, 12844, 16224, 19266, 23712, 25688, 38532, 51376, 65413, 77064, 102752, 130826, 154128, 196239, 261652, 308256, 392478, 523304, 784956, 850369, 1046608, 1242847, 1569912, 1700738, 2093216, 2485694, 2551107, 3139824, 3401476, 3728541, 4971388, 5102214, 6279648, 6802952, 7457082, 9942776, 10204428, 11054797, 13605904, 14914164, 16157011, 19885552, 20408856, 22109594, 27211808, 29828328, 32314022, 33164391, 39771104, 40817712, 44219188, 48471033, 59656656, 64628044, 66328782, 81635424, 88438376, 96942066, 119313312, 129256088, 132657564, 176876752, 193884132, 210041143, 258512176, 265315128, 353753504, 387768264, 420082286, 517024352, 530630256, 630123429, 775536528, 840164572, 1061260512, 1260246858, 1551073056, 1680329144, 2520493716, 3360658288, 5040987432, 6721316576, 10081974864, 20163949728]

約数ペア:

[(1, 20163949728), (2, 10081974864), (3, 6721316576), (4, 5040987432), (6, 3360658288), (8, 2520493716), (12, 1680329144), (13, 1551073056), (16, 1260246858), (19, 1061260512), (24, 840164572), (26, 775536528), (32, 630123429), (38, 530630256), (39, 517024352), (48, 420082286), (52, 387768264), (57, 353753504), (76, 265315128), (78, 258512176), (96, 210041143), (104, 193884132), (114, 176876752), (152, 132657564), (156, 129256088), (169, 119313312), (208, 96942066), (228, 88438376), (247, 81635424), (304, 66328782), (312, 64628044), (338, 59656656), (416, 48471033), (456, 44219188), (494, 40817712), (507, 39771104), (608, 33164391), (624, 32314022), (676, 29828328), (741, 27211808), (912, 22109594), (988, 20408856), (1014, 19885552), (1248, 16157011), (1352, 14914164), (1482, 13605904), (1824, 11054797), (1976, 10204428), (2028, 9942776), (2704, 7457082), (2964, 6802952), (3211, 6279648), (3952, 5102214), (4056, 4971388), (5408, 3728541), (5928, 3401476), (6422, 3139824), (7904, 2551107), (8112, 2485694), (9633, 2093216), (11856, 1700738), (12844, 1569912), (16224, 1242847), (19266, 1046608), (23712, 850369), (25688, 784956), (38532, 523304), (51376, 392478), (65413, 308256), (77064, 261652), (102752, 196239), (130826, 154128)]