20606860

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{3313}}^1$

素因数の和:3633

約数の個数: 24

約数和(自身を含む): 43426656

約数和(自身を除く): 22819796

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 3313, 6220, 6626, 13252, 16565, 33130, 66260, 1030343, 2060686, 4121372, 5151715, 10303430, 20606860]

約数ペア:

[(1, 20606860), (2, 10303430), (4, 5151715), (5, 4121372), (10, 2060686), (20, 1030343), (311, 66260), (622, 33130), (1244, 16565), (1555, 13252), (3110, 6626), (3313, 6220)]