20797491

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{48479}}^1$

素因数の和:48506

約数の個数: 16

約数和(自身を含む): 32578560

約数和(自身を除く): 11781069

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 48479, 145437, 533269, 630227, 1599807, 1890681, 6932497, 20797491]

約数ペア:

[(1, 20797491), (3, 6932497), (11, 1890681), (13, 1599807), (33, 630227), (39, 533269), (143, 145437), (429, 48479)]