20126425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{449}}^1$

素因数の和:633

約数の個数: 24

約数和(自身を含む): 27453600

約数和(自身を除く): 7327175

約数列:

[1, 5, 11, 25, 55, 163, 275, 449, 815, 1793, 2245, 4075, 4939, 8965, 11225, 24695, 44825, 73187, 123475, 365935, 805057, 1829675, 4025285, 20126425]

約数ペア:

[(1, 20126425), (5, 4025285), (11, 1829675), (25, 805057), (55, 365935), (163, 123475), (275, 73187), (449, 44825), (815, 24695), (1793, 11225), (2245, 8965), (4075, 4939)]