20766975

素因数分解:

$3^1\times 5^2\times {\mathrm{409}}^1\times {\mathrm{677}}^1$

素因数の和:1099

約数の個数: 24

約数和(自身を含む): 34469520

約数和(自身を除く): 13702545

約数列:

[1, 3, 5, 15, 25, 75, 409, 677, 1227, 2031, 2045, 3385, 6135, 10155, 10225, 16925, 30675, 50775, 276893, 830679, 1384465, 4153395, 6922325, 20766975]

約数ペア:

[(1, 20766975), (3, 6922325), (5, 4153395), (15, 1384465), (25, 830679), (75, 276893), (409, 50775), (677, 30675), (1227, 16925), (2031, 10225), (2045, 10155), (3385, 6135)]