2020122820

素因数分解:

$2^2\times 5^1\times {\mathrm{563}}^1\times {\mathrm{179407}}^1$

素因数の和:179979

約数の個数: 24

約数和(自身を含む): 4249816704

約数和(自身を除く): 2229693884

約数列:

[1, 2, 4, 5, 10, 20, 563, 1126, 2252, 2815, 5630, 11260, 179407, 358814, 717628, 897035, 1794070, 3588140, 101006141, 202012282, 404024564, 505030705, 1010061410, 2020122820]

約数ペア:

[(1, 2020122820), (2, 1010061410), (4, 505030705), (5, 404024564), (10, 202012282), (20, 101006141), (563, 3588140), (1126, 1794070), (2252, 897035), (2815, 717628), (5630, 358814), (11260, 179407)]