20386431

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{241}}^2$

素因数の和:504

約数の個数: 24

約数和(自身を含む): 32660880

約数和(自身を除く): 12274449

約数列:

[1, 3, 9, 13, 27, 39, 117, 241, 351, 723, 2169, 3133, 6507, 9399, 28197, 58081, 84591, 174243, 522729, 755053, 1568187, 2265159, 6795477, 20386431]

約数ペア:

[(1, 20386431), (3, 6795477), (9, 2265159), (13, 1568187), (27, 755053), (39, 522729), (117, 174243), (241, 84591), (351, 58081), (723, 28197), (2169, 9399), (3133, 6507)]