20531835

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26839}}^1$

素因数の和:26867

約数の個数: 24

約数和(自身を含む): 37683360

約数和(自身を除く): 17151525

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 26839, 80517, 134195, 241551, 402585, 456263, 1207755, 1368789, 2281315, 4106367, 6843945, 20531835]

約数ペア:

[(1, 20531835), (3, 6843945), (5, 4106367), (9, 2281315), (15, 1368789), (17, 1207755), (45, 456263), (51, 402585), (85, 241551), (153, 134195), (255, 80517), (765, 26839)]