20906666

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{1867}}^1$

素因数の和:2389

約数の個数: 16

約数和(自身を含む): 34296480

約数和(自身を除く): 13389814

約数列:

[1, 2, 11, 22, 509, 1018, 1867, 3734, 5599, 11198, 20537, 41074, 950303, 1900606, 10453333, 20906666]

約数ペア:

[(1, 20906666), (2, 10453333), (11, 1900606), (22, 950303), (509, 41074), (1018, 20537), (1867, 11198), (3734, 5599)]