20954010

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:268

約数の個数: 128

約数和(自身を含む): 64364544

約数和(自身を除く): 43410534

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 47, 55, 66, 70, 77, 94, 105, 110, 141, 154, 165, 193, 210, 231, 235, 282, 329, 330, 385, 386, 462, 470, 517, 579, 658, 705, 770, 965, 987, 1034, 1155, 1158, 1351, 1410, 1551, 1645, 1930, 1974, 2123, 2310, 2585, 2702, 2895, 3102, 3290, 3619, 4053, 4246, 4935, 5170, 5790, 6369, 6755, 7238, 7755, 8106, 9071, 9870, 10615, 10857, 12738, 13510, 14861, 15510, 18095, 18142, 20265, 21230, 21714, 27213, 29722, 31845, 36190, 40530, 44583, 45355, 54285, 54426, 63497, 63690, 74305, 89166, 90710, 99781, 108570, 126994, 136065, 148610, 190491, 199562, 222915, 272130, 299343, 317485, 380982, 445830, 498905, 598686, 634970, 698467, 952455, 997810, 1396934, 1496715, 1904910, 2095401, 2993430, 3492335, 4190802, 6984670, 10477005, 20954010]

約数ペア:

[(1, 20954010), (2, 10477005), (3, 6984670), (5, 4190802), (6, 3492335), (7, 2993430), (10, 2095401), (11, 1904910), (14, 1496715), (15, 1396934), (21, 997810), (22, 952455), (30, 698467), (33, 634970), (35, 598686), (42, 498905), (47, 445830), (55, 380982), (66, 317485), (70, 299343), (77, 272130), (94, 222915), (105, 199562), (110, 190491), (141, 148610), (154, 136065), (165, 126994), (193, 108570), (210, 99781), (231, 90710), (235, 89166), (282, 74305), (329, 63690), (330, 63497), (385, 54426), (386, 54285), (462, 45355), (470, 44583), (517, 40530), (579, 36190), (658, 31845), (705, 29722), (770, 27213), (965, 21714), (987, 21230), (1034, 20265), (1155, 18142), (1158, 18095), (1351, 15510), (1410, 14861), (1551, 13510), (1645, 12738), (1930, 10857), (1974, 10615), (2123, 9870), (2310, 9071), (2585, 8106), (2702, 7755), (2895, 7238), (3102, 6755), (3290, 6369), (3619, 5790), (4053, 5170), (4246, 4935)]