20885848

素因数分解:

$2^3\times {\mathrm{521}}^1\times {\mathrm{5011}}^1$

素因数の和:5538

約数の個数: 16

約数和(自身を含む): 39243960

約数和(自身を除く): 18358112

約数列:

[1, 2, 4, 8, 521, 1042, 2084, 4168, 5011, 10022, 20044, 40088, 2610731, 5221462, 10442924, 20885848]

約数ペア:

[(1, 20885848), (2, 10442924), (4, 5221462), (8, 2610731), (521, 40088), (1042, 20044), (2084, 10022), (4168, 5011)]