20967290

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4253}}^1$

素因数の和:4306

約数の個数: 32

約数和(自身を含む): 41348880

約数和(自身を除く): 20381590

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 290, 493, 986, 2465, 4253, 4930, 8506, 21265, 42530, 72301, 123337, 144602, 246674, 361505, 616685, 723010, 1233370, 2096729, 4193458, 10483645, 20967290]

約数ペア:

[(1, 20967290), (2, 10483645), (5, 4193458), (10, 2096729), (17, 1233370), (29, 723010), (34, 616685), (58, 361505), (85, 246674), (145, 144602), (170, 123337), (290, 72301), (493, 42530), (986, 21265), (2465, 8506), (4253, 4930)]