20925058008

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{256661}}^1$

素因数の和:256792

約数の個数: 64

約数和(自身を含む): 54207014400

約数和(自身を除く): 33281956392

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 79, 86, 129, 158, 172, 237, 258, 316, 344, 474, 516, 632, 948, 1032, 1896, 3397, 6794, 10191, 13588, 20382, 27176, 40764, 81528, 256661, 513322, 769983, 1026644, 1539966, 2053288, 3079932, 6159864, 11036423, 20276219, 22072846, 33109269, 40552438, 44145692, 60828657, 66218538, 81104876, 88291384, 121657314, 132437076, 162209752, 243314628, 264874152, 486629256, 871877417, 1743754834, 2615632251, 3487509668, 5231264502, 6975019336, 10462529004, 20925058008]

約数ペア:

[(1, 20925058008), (2, 10462529004), (3, 6975019336), (4, 5231264502), (6, 3487509668), (8, 2615632251), (12, 1743754834), (24, 871877417), (43, 486629256), (79, 264874152), (86, 243314628), (129, 162209752), (158, 132437076), (172, 121657314), (237, 88291384), (258, 81104876), (316, 66218538), (344, 60828657), (474, 44145692), (516, 40552438), (632, 33109269), (948, 22072846), (1032, 20276219), (1896, 11036423), (3397, 6159864), (6794, 3079932), (10191, 2053288), (13588, 1539966), (20382, 1026644), (27176, 769983), (40764, 513322), (81528, 256661)]