20521708

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{227}}^1\times {\mathrm{233}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 36599472

約数和(自身を除く): 16077764

約数列:

[1, 2, 4, 97, 194, 227, 233, 388, 454, 466, 908, 932, 22019, 22601, 44038, 45202, 52891, 88076, 90404, 105782, 211564, 5130427, 10260854, 20521708]

約数ペア:

[(1, 20521708), (2, 10260854), (4, 5130427), (97, 211564), (194, 105782), (227, 90404), (233, 88076), (388, 52891), (454, 45202), (466, 44038), (908, 22601), (932, 22019)]