20936855

素因数分解:

$5^1\times {\mathrm{41}}^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:187

約数の個数: 24

約数和(自身を含む): 26796096

約数和(自身を除く): 5859241

約数列:

[1, 5, 41, 47, 53, 205, 235, 265, 1681, 1927, 2173, 2491, 8405, 9635, 10865, 12455, 79007, 89093, 102131, 395035, 445465, 510655, 4187371, 20936855]

約数ペア:

[(1, 20936855), (5, 4187371), (41, 510655), (47, 445465), (53, 395035), (205, 102131), (235, 89093), (265, 79007), (1681, 12455), (1927, 10865), (2173, 9635), (2491, 8405)]