20011655

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{673}}^1$

素因数の和:1010

約数の個数: 16

約数和(自身を含む): 25396320

約数和(自身を除く): 5384665

約数列:

[1, 5, 19, 95, 313, 673, 1565, 3365, 5947, 12787, 29735, 63935, 210649, 1053245, 4002331, 20011655]

約数ペア:

[(1, 20011655), (5, 4002331), (19, 1053245), (95, 210649), (313, 63935), (673, 29735), (1565, 12787), (3365, 5947)]