20263580

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{21557}}^1$

素因数の和:21613

約数の個数: 24

約数和(自身を含む): 43460928

約数和(自身を除く): 23197348

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 21557, 43114, 86228, 107785, 215570, 431140, 1013179, 2026358, 4052716, 5065895, 10131790, 20263580]

約数ペア:

[(1, 20263580), (2, 10131790), (4, 5065895), (5, 4052716), (10, 2026358), (20, 1013179), (47, 431140), (94, 215570), (188, 107785), (235, 86228), (470, 43114), (940, 21557)]