20254885

素因数分解:

$5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1759}}^1$

素因数の和:1825

約数の個数: 24

約数和(自身を含む): 28892160

約数和(自身を除く): 8637275

約数列:

[1, 5, 7, 35, 47, 49, 235, 245, 329, 1645, 1759, 2303, 8795, 11515, 12313, 61565, 82673, 86191, 413365, 430955, 578711, 2893555, 4050977, 20254885]

約数ペア:

[(1, 20254885), (5, 4050977), (7, 2893555), (35, 578711), (47, 430955), (49, 413365), (235, 86191), (245, 82673), (329, 61565), (1645, 12313), (1759, 11515), (2303, 8795)]