20378066

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{1373}}^1$

素因数の和:1597

約数の個数: 16

約数和(自身を含む): 31508568

約数和(自身を除く): 11130502

約数列:

[1, 2, 41, 82, 181, 362, 1373, 2746, 7421, 14842, 56293, 112586, 248513, 497026, 10189033, 20378066]

約数ペア:

[(1, 20378066), (2, 10189033), (41, 497026), (82, 248513), (181, 112586), (362, 56293), (1373, 14842), (2746, 7421)]