20549217

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{40531}}^1$

素因数の和:40560

約数の個数: 12

約数和(自身を含む): 29669424

約数和(自身を除く): 9120207

約数列:

[1, 3, 13, 39, 169, 507, 40531, 121593, 526903, 1580709, 6849739, 20549217]

約数ペア:

[(1, 20549217), (3, 6849739), (13, 1580709), (39, 526903), (169, 121593), (507, 40531)]