20811614

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{953}}^1$

素因数の和:1195

約数の個数: 16

約数和(自身を含む): 31939920

約数和(自身を除く): 11128306

約数列:

[1, 2, 61, 122, 179, 358, 953, 1906, 10919, 21838, 58133, 116266, 170587, 341174, 10405807, 20811614]

約数ペア:

[(1, 20811614), (2, 10405807), (61, 341174), (122, 170587), (179, 116266), (358, 58133), (953, 21838), (1906, 10919)]