20893355

素因数分解:

$5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{797}}^1$

素因数の和:923

約数の個数: 24

約数和(自身を含む): 29474928

約数和(自身を除く): 8581573

約数列:

[1, 5, 7, 35, 49, 107, 245, 535, 749, 797, 3745, 3985, 5243, 5579, 26215, 27895, 39053, 85279, 195265, 426395, 596953, 2984765, 4178671, 20893355]

約数ペア:

[(1, 20893355), (5, 4178671), (7, 2984765), (35, 596953), (49, 426395), (107, 195265), (245, 85279), (535, 39053), (749, 27895), (797, 26215), (3745, 5579), (3985, 5243)]