20176155

素因数分解:

$3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1451}}^1$

素因数の和:1568

約数の個数: 32

約数和(自身を含む): 36241920

約数和(自身を除く): 16065765

約数列:

[1, 3, 5, 9, 15, 27, 45, 103, 135, 309, 515, 927, 1451, 1545, 2781, 4353, 4635, 7255, 13059, 13905, 21765, 39177, 65295, 149453, 195885, 448359, 747265, 1345077, 2241795, 4035231, 6725385, 20176155]

約数ペア:

[(1, 20176155), (3, 6725385), (5, 4035231), (9, 2241795), (15, 1345077), (27, 747265), (45, 448359), (103, 195885), (135, 149453), (309, 65295), (515, 39177), (927, 21765), (1451, 13905), (1545, 13059), (2781, 7255), (4353, 4635)]