20187547818

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1\times {\mathrm{258437}}^1$

素因数の和:258766

約数の個数: 32

約数和(自身を含む): 41383160064

約数和(自身を除く): 21195612246

約数列:

[1, 2, 3, 6, 47, 94, 141, 277, 282, 554, 831, 1662, 13019, 26038, 39057, 78114, 258437, 516874, 775311, 1550622, 12146539, 24293078, 36439617, 71587049, 72879234, 143174098, 214761147, 429522294, 3364591303, 6729182606, 10093773909, 20187547818]

約数ペア:

[(1, 20187547818), (2, 10093773909), (3, 6729182606), (6, 3364591303), (47, 429522294), (94, 214761147), (141, 143174098), (277, 72879234), (282, 71587049), (554, 36439617), (831, 24293078), (1662, 12146539), (13019, 1550622), (26038, 775311), (39057, 516874), (78114, 258437)]