20371728

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{32647}}^1$

素因数の和:32671

約数の個数: 40

約数和(自身を含む): 56676928

約数和(自身を除く): 36305200

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 32647, 65294, 97941, 130588, 195882, 261176, 391764, 424411, 522352, 783528, 848822, 1273233, 1567056, 1697644, 2546466, 3395288, 5092932, 6790576, 10185864, 20371728]

約数ペア:

[(1, 20371728), (2, 10185864), (3, 6790576), (4, 5092932), (6, 3395288), (8, 2546466), (12, 1697644), (13, 1567056), (16, 1273233), (24, 848822), (26, 783528), (39, 522352), (48, 424411), (52, 391764), (78, 261176), (104, 195882), (156, 130588), (208, 97941), (312, 65294), (624, 32647)]