20902872291

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{58551463}}^1$

素因数の和:58551490

約数の個数: 16

約数和(自身を含む): 33725643264

約数和(自身を除く): 12822770973

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 58551463, 175654389, 409860241, 995374871, 1229580723, 2986124613, 6967624097, 20902872291]

約数ペア:

[(1, 20902872291), (3, 6967624097), (7, 2986124613), (17, 1229580723), (21, 995374871), (51, 409860241), (119, 175654389), (357, 58551463)]