20281604

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{12277}}^1$

素因数の和:12347

約数の個数: 24

約数和(自身を含む): 41254080

約数和(自身を除く): 20972476

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 12277, 24554, 49108, 85939, 171878, 343756, 724343, 1448686, 2897372, 5070401, 10140802, 20281604]

約数ペア:

[(1, 20281604), (2, 10140802), (4, 5070401), (7, 2897372), (14, 1448686), (28, 724343), (59, 343756), (118, 171878), (236, 85939), (413, 49108), (826, 24554), (1652, 12277)]