20995238

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{769}}^1$

素因数の和:872

約数の個数: 32

約数和(自身を含む): 36923040

約数和(自身を除く): 15927802

約数列:

[1, 2, 11, 17, 22, 34, 73, 146, 187, 374, 769, 803, 1241, 1538, 1606, 2482, 8459, 13073, 13651, 16918, 26146, 27302, 56137, 112274, 143803, 287606, 617507, 954329, 1235014, 1908658, 10497619, 20995238]

約数ペア:

[(1, 20995238), (2, 10497619), (11, 1908658), (17, 1235014), (22, 954329), (34, 617507), (73, 287606), (146, 143803), (187, 112274), (374, 56137), (769, 27302), (803, 26146), (1241, 16918), (1538, 13651), (1606, 13073), (2482, 8459)]