20557688

素因数分解:

$2^3\times {\mathrm{457}}^1\times {\mathrm{5623}}^1$

素因数の和:6086

約数の個数: 16

約数和(自身を含む): 38636880

約数和(自身を除く): 18079192

約数列:

[1, 2, 4, 8, 457, 914, 1828, 3656, 5623, 11246, 22492, 44984, 2569711, 5139422, 10278844, 20557688]

約数ペア:

[(1, 20557688), (2, 10278844), (4, 5139422), (8, 2569711), (457, 44984), (914, 22492), (1828, 11246), (3656, 5623)]