20638593

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{503}}^1$

素因数の和:653

約数の個数: 24

約数和(自身を含む): 30820608

約数和(自身を除く): 10182015

約数列:

[1, 3, 9, 47, 97, 141, 291, 423, 503, 873, 1509, 4527, 4559, 13677, 23641, 41031, 48791, 70923, 146373, 212769, 439119, 2293177, 6879531, 20638593]

約数ペア:

[(1, 20638593), (3, 6879531), (9, 2293177), (47, 439119), (97, 212769), (141, 146373), (291, 70923), (423, 48791), (503, 41031), (873, 23641), (1509, 13677), (4527, 4559)]