20775675

素因数分解:

$3^1\times 5^2\times {\mathrm{439}}^1\times {\mathrm{631}}^1$

素因数の和:1083

約数の個数: 24

約数和(自身を含む): 34481920

約数和(自身を除く): 13706245

約数列:

[1, 3, 5, 15, 25, 75, 439, 631, 1317, 1893, 2195, 3155, 6585, 9465, 10975, 15775, 32925, 47325, 277009, 831027, 1385045, 4155135, 6925225, 20775675]

約数ペア:

[(1, 20775675), (3, 6925225), (5, 4155135), (15, 1385045), (25, 831027), (75, 277009), (439, 47325), (631, 32925), (1317, 15775), (1893, 10975), (2195, 9465), (3155, 6585)]