20420026

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{769}}^1$

素因数の和:870

約数の個数: 32

約数和(自身を含む): 35925120

約数和(自身を除く): 15505094

約数列:

[1, 2, 11, 17, 22, 34, 71, 142, 187, 374, 769, 781, 1207, 1538, 1562, 2414, 8459, 13073, 13277, 16918, 26146, 26554, 54599, 109198, 143803, 287606, 600589, 928183, 1201178, 1856366, 10210013, 20420026]

約数ペア:

[(1, 20420026), (2, 10210013), (11, 1856366), (17, 1201178), (22, 928183), (34, 600589), (71, 287606), (142, 143803), (187, 109198), (374, 54599), (769, 26554), (781, 26146), (1207, 16918), (1538, 13277), (1562, 13073), (2414, 8459)]