20974383

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{8353}}^1$

素因数の和:8396

約数の個数: 20

約数和(自身を含む): 32346688

約数和(自身を除く): 11372305

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 8353, 25059, 75177, 225531, 258943, 676593, 776829, 2330487, 6991461, 20974383]

約数ペア:

[(1, 20974383), (3, 6991461), (9, 2330487), (27, 776829), (31, 676593), (81, 258943), (93, 225531), (279, 75177), (837, 25059), (2511, 8353)]