20918014

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{1409}}^1$

素因数の和:1995

約数の個数: 16

約数和(自身を含む): 33873840

約数和(自身を除く): 12955826

約数列:

[1, 2, 13, 26, 571, 1142, 1409, 2818, 7423, 14846, 18317, 36634, 804539, 1609078, 10459007, 20918014]

約数ペア:

[(1, 20918014), (2, 10459007), (13, 1609078), (26, 804539), (571, 36634), (1142, 18317), (1409, 14846), (2818, 7423)]