20276175

素因数分解:

$3^1\times 5^2\times {\mathrm{409}}^1\times {\mathrm{661}}^1$

素因数の和:1083

約数の個数: 24

約数和(自身を含む): 33656080

約数和(自身を除く): 13379905

約数列:

[1, 3, 5, 15, 25, 75, 409, 661, 1227, 1983, 2045, 3305, 6135, 9915, 10225, 16525, 30675, 49575, 270349, 811047, 1351745, 4055235, 6758725, 20276175]

約数ペア:

[(1, 20276175), (3, 6758725), (5, 4055235), (15, 1351745), (25, 811047), (75, 270349), (409, 49575), (661, 30675), (1227, 16525), (1983, 10225), (2045, 9915), (3305, 6135)]