20320736

素因数分解:

$2^5\times {\mathrm{239}}^1\times {\mathrm{2657}}^1$

素因数の和:2906

約数の個数: 24

約数和(自身を含む): 40188960

約数和(自身を除く): 19868224

約数列:

[1, 2, 4, 8, 16, 32, 239, 478, 956, 1912, 2657, 3824, 5314, 7648, 10628, 21256, 42512, 85024, 635023, 1270046, 2540092, 5080184, 10160368, 20320736]

約数ペア:

[(1, 20320736), (2, 10160368), (4, 5080184), (8, 2540092), (16, 1270046), (32, 635023), (239, 85024), (478, 42512), (956, 21256), (1912, 10628), (2657, 7648), (3824, 5314)]