20518278

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{310883}}^1$

素因数の和:310899

約数の個数: 16

約数和(自身を含む): 44767296

約数和(自身を除く): 24249018

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 310883, 621766, 932649, 1865298, 3419713, 6839426, 10259139, 20518278]

約数ペア:

[(1, 20518278), (2, 10259139), (3, 6839426), (6, 3419713), (11, 1865298), (22, 932649), (33, 621766), (66, 310883)]