20093975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{821}}^1$

素因数の和:931

約数の個数: 24

約数和(自身を含む): 27520560

約数和(自身を除く): 7426585

約数列:

[1, 5, 11, 25, 55, 89, 275, 445, 821, 979, 2225, 4105, 4895, 9031, 20525, 24475, 45155, 73069, 225775, 365345, 803759, 1826725, 4018795, 20093975]

約数ペア:

[(1, 20093975), (5, 4018795), (11, 1826725), (25, 803759), (55, 365345), (89, 225775), (275, 73069), (445, 45155), (821, 24475), (979, 20525), (2225, 9031), (4105, 4895)]