20884208

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{11551}}^1$

素因数の和:11672

約数の個数: 20

約数和(自身を含む): 40824768

約数和(自身を除く): 19940560

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 11551, 23102, 46204, 92408, 184816, 1305263, 2610526, 5221052, 10442104, 20884208]

約数ペア:

[(1, 20884208), (2, 10442104), (4, 5221052), (8, 2610526), (16, 1305263), (113, 184816), (226, 92408), (452, 46204), (904, 23102), (1808, 11551)]