20529765

素因数分解:

$3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4517}}^1$

素因数の和:4629

約数の個数: 24

約数和(自身を含む): 35945208

約数和(自身を除く): 15415443

約数列:

[1, 3, 5, 9, 15, 45, 101, 303, 505, 909, 1515, 4517, 4545, 13551, 22585, 40653, 67755, 203265, 456217, 1368651, 2281085, 4105953, 6843255, 20529765]

約数ペア:

[(1, 20529765), (3, 6843255), (5, 4105953), (9, 2281085), (15, 1368651), (45, 456217), (101, 203265), (303, 67755), (505, 40653), (909, 22585), (1515, 13551), (4517, 4545)]