20301028

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{2069}}^1$

素因数の和:2307

約数の個数: 24

約数和(自身を含む): 38949120

約数和(自身を除く): 18648092

約数列:

[1, 2, 4, 11, 22, 44, 223, 446, 892, 2069, 2453, 4138, 4906, 8276, 9812, 22759, 45518, 91036, 461387, 922774, 1845548, 5075257, 10150514, 20301028]

約数ペア:

[(1, 20301028), (2, 10150514), (4, 5075257), (11, 1845548), (22, 922774), (44, 461387), (223, 91036), (446, 45518), (892, 22759), (2069, 9812), (2453, 8276), (4138, 4906)]