20993962

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{691}}^1\times {\mathrm{1381}}^1$

素因数の和:2085

約数の個数: 16

約数和(自身を含む): 34428384

約数和(自身を除く): 13434422

約数列:

[1, 2, 11, 22, 691, 1381, 1382, 2762, 7601, 15191, 15202, 30382, 954271, 1908542, 10496981, 20993962]

約数ペア:

[(1, 20993962), (2, 10496981), (11, 1908542), (22, 954271), (691, 30382), (1381, 15202), (1382, 15191), (2762, 7601)]