20989342

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{701}}^1\times {\mathrm{1361}}^1$

素因数の和:2075

約数の個数: 16

約数和(自身を含む): 34420464

約数和(自身を除く): 13431122

約数列:

[1, 2, 11, 22, 701, 1361, 1402, 2722, 7711, 14971, 15422, 29942, 954061, 1908122, 10494671, 20989342]

約数ペア:

[(1, 20989342), (2, 10494671), (11, 1908122), (22, 954061), (701, 29942), (1361, 15422), (1402, 14971), (2722, 7711)]