20129928

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{709}}^1$

素因数の和:751

約数の個数: 96

約数和(自身を含む): 62366400

約数和(自身を除く): 42236472

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 169, 182, 273, 312, 338, 364, 507, 546, 676, 709, 728, 1014, 1092, 1183, 1352, 1418, 2028, 2127, 2184, 2366, 2836, 3549, 4056, 4254, 4732, 4963, 5672, 7098, 8508, 9217, 9464, 9926, 14196, 14889, 17016, 18434, 19852, 27651, 28392, 29778, 36868, 39704, 55302, 59556, 64519, 73736, 110604, 119112, 119821, 129038, 193557, 221208, 239642, 258076, 359463, 387114, 479284, 516152, 718926, 774228, 838747, 958568, 1437852, 1548456, 1677494, 2516241, 2875704, 3354988, 5032482, 6709976, 10064964, 20129928]

約数ペア:

[(1, 20129928), (2, 10064964), (3, 6709976), (4, 5032482), (6, 3354988), (7, 2875704), (8, 2516241), (12, 1677494), (13, 1548456), (14, 1437852), (21, 958568), (24, 838747), (26, 774228), (28, 718926), (39, 516152), (42, 479284), (52, 387114), (56, 359463), (78, 258076), (84, 239642), (91, 221208), (104, 193557), (156, 129038), (168, 119821), (169, 119112), (182, 110604), (273, 73736), (312, 64519), (338, 59556), (364, 55302), (507, 39704), (546, 36868), (676, 29778), (709, 28392), (728, 27651), (1014, 19852), (1092, 18434), (1183, 17016), (1352, 14889), (1418, 14196), (2028, 9926), (2127, 9464), (2184, 9217), (2366, 8508), (2836, 7098), (3549, 5672), (4056, 4963), (4254, 4732)]