20597990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{7177}}^1$

素因数の和:7232

約数の個数: 32

約数和(自身を含む): 43412544

約数和(自身を除く): 22814554

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 2870, 7177, 14354, 35885, 50239, 71770, 100478, 251195, 294257, 502390, 588514, 1471285, 2059799, 2942570, 4119598, 10298995, 20597990]

約数ペア:

[(1, 20597990), (2, 10298995), (5, 4119598), (7, 2942570), (10, 2059799), (14, 1471285), (35, 588514), (41, 502390), (70, 294257), (82, 251195), (205, 100478), (287, 71770), (410, 50239), (574, 35885), (1435, 14354), (2870, 7177)]