20435025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{20959}}^1$

素因数の和:20985

約数の個数: 24

約数和(自身を含む): 36386560

約数和(自身を除く): 15951535

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 20959, 62877, 104795, 272467, 314385, 523975, 817401, 1362335, 1571925, 4087005, 6811675, 20435025]

約数ペア:

[(1, 20435025), (3, 6811675), (5, 4087005), (13, 1571925), (15, 1362335), (25, 817401), (39, 523975), (65, 314385), (75, 272467), (195, 104795), (325, 62877), (975, 20959)]