20064785

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{7529}}^1$

素因数の和:7588

約数の個数: 16

約数和(自身を含む): 26565840

約数和(自身を除く): 6501055

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 7529, 37645, 97877, 308689, 489385, 1543445, 4012957, 20064785]

約数ペア:

[(1, 20064785), (5, 4012957), (13, 1543445), (41, 489385), (65, 308689), (205, 97877), (533, 37645), (2665, 7529)]