20148025

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{11351}}^1$

素因数の和:11432

約数の個数: 12

約数和(自身を含む): 25337664

約数和(自身を除く): 5189639

約数列:

[1, 5, 25, 71, 355, 1775, 11351, 56755, 283775, 805921, 4029605, 20148025]

約数ペア:

[(1, 20148025), (5, 4029605), (25, 805921), (71, 283775), (355, 56755), (1775, 11351)]