20789301

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{14407}}^1$

素因数の和:14460

約数の個数: 16

約数和(自身を含む): 30660224

約数和(自身を除く): 9870923

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 14407, 43221, 187291, 533059, 561873, 1599177, 6929767, 20789301]

約数ペア:

[(1, 20789301), (3, 6929767), (13, 1599177), (37, 561873), (39, 533059), (111, 187291), (481, 43221), (1443, 14407)]