20268437

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:317

約数の個数: 24

約数和(自身を含む): 25286976

約数和(自身を除く): 5018539

約数列:

[1, 7, 17, 43, 119, 233, 289, 301, 731, 1631, 2023, 3961, 5117, 10019, 12427, 27727, 67337, 70133, 86989, 170323, 471359, 1192261, 2895491, 20268437]

約数ペア:

[(1, 20268437), (7, 2895491), (17, 1192261), (43, 471359), (119, 170323), (233, 86989), (289, 70133), (301, 67337), (731, 27727), (1631, 12427), (2023, 10019), (3961, 5117)]