20771331

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{701}}^1$

素因数の和:811

約数の個数: 32

約数和(自身を含む): 33965568

約数和(自身を除く): 13194237

約数列:

[1, 3, 7, 17, 21, 51, 83, 119, 249, 357, 581, 701, 1411, 1743, 2103, 4233, 4907, 9877, 11917, 14721, 29631, 35751, 58183, 83419, 174549, 250257, 407281, 989111, 1221843, 2967333, 6923777, 20771331]

約数ペア:

[(1, 20771331), (3, 6923777), (7, 2967333), (17, 1221843), (21, 989111), (51, 407281), (83, 250257), (119, 174549), (249, 83419), (357, 58183), (581, 35751), (701, 29631), (1411, 14721), (1743, 11917), (2103, 9877), (4233, 4907)]