20568675

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{6689}}^1$

素因数の和:6743

約数の個数: 24

約数和(自身を含む): 34841520

約数和(自身を除く): 14272845

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 615, 1025, 3075, 6689, 20067, 33445, 100335, 167225, 274249, 501675, 822747, 1371245, 4113735, 6856225, 20568675]

約数ペア:

[(1, 20568675), (3, 6856225), (5, 4113735), (15, 1371245), (25, 822747), (41, 501675), (75, 274249), (123, 167225), (205, 100335), (615, 33445), (1025, 20067), (3075, 6689)]