20218916

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{10253}}^1$

素因数の和:10303

約数の個数: 24

約数和(自身を含む): 38760120

約数和(自身を除く): 18541204

約数列:

[1, 2, 4, 17, 29, 34, 58, 68, 116, 493, 986, 1972, 10253, 20506, 41012, 174301, 297337, 348602, 594674, 697204, 1189348, 5054729, 10109458, 20218916]

約数ペア:

[(1, 20218916), (2, 10109458), (4, 5054729), (17, 1189348), (29, 697204), (34, 594674), (58, 348602), (68, 297337), (116, 174301), (493, 41012), (986, 20506), (1972, 10253)]