20280812975

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{1913}}^1\times {\mathrm{10343}}^1$

素因数の和:12307

約数の個数: 24

約数和(自身を含む): 25777537632

約数和(自身を除く): 5496724657

約数列:

[1, 5, 25, 41, 205, 1025, 1913, 9565, 10343, 47825, 51715, 78433, 258575, 392165, 424063, 1960825, 2120315, 10601575, 19786159, 98930795, 494653975, 811232519, 4056162595, 20280812975]

約数ペア:

[(1, 20280812975), (5, 4056162595), (25, 811232519), (41, 494653975), (205, 98930795), (1025, 19786159), (1913, 10601575), (9565, 2120315), (10343, 1960825), (47825, 424063), (51715, 392165), (78433, 258575)]