20756344

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{12781}}^1$

素因数の和:12823

約数の個数: 32

約数和(自身を含む): 46015200

約数和(自身を除く): 25258856

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 812, 1624, 12781, 25562, 51124, 89467, 102248, 178934, 357868, 370649, 715736, 741298, 1482596, 2594543, 2965192, 5189086, 10378172, 20756344]

約数ペア:

[(1, 20756344), (2, 10378172), (4, 5189086), (7, 2965192), (8, 2594543), (14, 1482596), (28, 741298), (29, 715736), (56, 370649), (58, 357868), (116, 178934), (203, 102248), (232, 89467), (406, 51124), (812, 25562), (1624, 12781)]