20128740925

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{21760801}}^1$

素因数の和:21760848

約数の個数: 12

約数和(自身を含む): 25634224756

約数和(自身を除く): 5505483831

約数列:

[1, 5, 25, 37, 185, 925, 21760801, 108804005, 544020025, 805149637, 4025748185, 20128740925]

約数ペア:

[(1, 20128740925), (5, 4025748185), (25, 805149637), (37, 544020025), (185, 108804005), (925, 21760801)]