20132968

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{61381}}^1$

素因数の和:61428

約数の個数: 16

約数和(自身を含む): 38670660

約数和(自身を除く): 18537692

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 61381, 122762, 245524, 491048, 2516621, 5033242, 10066484, 20132968]

約数ペア:

[(1, 20132968), (2, 10066484), (4, 5033242), (8, 2516621), (41, 491048), (82, 245524), (164, 122762), (328, 61381)]