20221720

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3637}}^1$

素因数の和:3787

約数の個数: 32

約数和(自身を含む): 45838800

約数和(自身を除く): 25617080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 3637, 5560, 7274, 14548, 18185, 29096, 36370, 72740, 145480, 505543, 1011086, 2022172, 2527715, 4044344, 5055430, 10110860, 20221720]

約数ペア:

[(1, 20221720), (2, 10110860), (4, 5055430), (5, 4044344), (8, 2527715), (10, 2022172), (20, 1011086), (40, 505543), (139, 145480), (278, 72740), (556, 36370), (695, 29096), (1112, 18185), (1390, 14548), (2780, 7274), (3637, 5560)]