20016945

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{34217}}^1$

素因数の和:34241

約数の個数: 24

約数和(自身を含む): 37366056

約数和(自身を除く): 17349111

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 34217, 102651, 171085, 307953, 444821, 513255, 1334463, 1539765, 2224105, 4003389, 6672315, 20016945]

約数ペア:

[(1, 20016945), (3, 6672315), (5, 4003389), (9, 2224105), (13, 1539765), (15, 1334463), (39, 513255), (45, 444821), (65, 307953), (117, 171085), (195, 102651), (585, 34217)]