20579270

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{2447}}^1$

素因数の和:2512

約数の個数: 24

約数和(自身を含む): 38379744

約数和(自身を除く): 17800474

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 841, 1682, 2447, 4205, 4894, 8410, 12235, 24470, 70963, 141926, 354815, 709630, 2057927, 4115854, 10289635, 20579270]

約数ペア:

[(1, 20579270), (2, 10289635), (5, 4115854), (10, 2057927), (29, 709630), (58, 354815), (145, 141926), (290, 70963), (841, 24470), (1682, 12235), (2447, 8410), (4205, 4894)]