20973381

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{48889}}^1$

素因数の和:48916

約数の個数: 16

約数和(自身を含む): 32854080

約数和(自身を除く): 11880699

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 48889, 146667, 537779, 635557, 1613337, 1906671, 6991127, 20973381]

約数ペア:

[(1, 20973381), (3, 6991127), (11, 1906671), (13, 1613337), (33, 635557), (39, 537779), (143, 146667), (429, 48889)]