20249288

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1319}}^1$

素因数の和:1445

約数の個数: 32

約数和(自身を含む): 40392000

約数和(自身を除く): 20142712

約数列:

[1, 2, 4, 8, 19, 38, 76, 101, 152, 202, 404, 808, 1319, 1919, 2638, 3838, 5276, 7676, 10552, 15352, 25061, 50122, 100244, 133219, 200488, 266438, 532876, 1065752, 2531161, 5062322, 10124644, 20249288]

約数ペア:

[(1, 20249288), (2, 10124644), (4, 5062322), (8, 2531161), (19, 1065752), (38, 532876), (76, 266438), (101, 200488), (152, 133219), (202, 100244), (404, 50122), (808, 25061), (1319, 15352), (1919, 10552), (2638, 7676), (3838, 5276)]