20218708945

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^2\times {\mathrm{8369}}^1$

素因数の和:8613

約数の個数: 24

約数和(自身を含む): 24943370040

約数和(自身を除く): 4724661095

約数列:

[1, 5, 61, 89, 305, 445, 5429, 7921, 8369, 27145, 39605, 41845, 483181, 510509, 744841, 2415905, 2552545, 3724205, 45435301, 66290849, 227176505, 331454245, 4043741789, 20218708945]

約数ペア:

[(1, 20218708945), (5, 4043741789), (61, 331454245), (89, 227176505), (305, 66290849), (445, 45435301), (5429, 3724205), (7921, 2552545), (8369, 2415905), (27145, 744841), (39605, 510509), (41845, 483181)]