20691036

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{19819}}^1$

素因数の和:19858

約数の個数: 36

約数和(自身を含む): 54108600

約数和(自身を除く): 33417564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 19819, 39638, 59457, 79276, 118914, 178371, 237828, 356742, 574751, 713484, 1149502, 1724253, 2299004, 3448506, 5172759, 6897012, 10345518, 20691036]

約数ペア:

[(1, 20691036), (2, 10345518), (3, 6897012), (4, 5172759), (6, 3448506), (9, 2299004), (12, 1724253), (18, 1149502), (29, 713484), (36, 574751), (58, 356742), (87, 237828), (116, 178371), (174, 118914), (261, 79276), (348, 59457), (522, 39638), (1044, 19819)]