20966924

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{4217}}^1$

素因数の和:4345

約数の個数: 24

約数和(自身を含む): 40391568

約数和(自身を除く): 19424644

約数列:

[1, 2, 4, 11, 22, 44, 113, 226, 452, 1243, 2486, 4217, 4972, 8434, 16868, 46387, 92774, 185548, 476521, 953042, 1906084, 5241731, 10483462, 20966924]

約数ペア:

[(1, 20966924), (2, 10483462), (4, 5241731), (11, 1906084), (22, 953042), (44, 476521), (113, 185548), (226, 92774), (452, 46387), (1243, 16868), (2486, 8434), (4217, 4972)]