20508128445

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{569}}^1\times {\mathrm{343261}}^1$

素因数の和:343845

約数の個数: 32

約数和(自身を含む): 37566593280

約数和(自身を除く): 17058464835

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 569, 1707, 2845, 3983, 8535, 11949, 19915, 59745, 343261, 1029783, 1716305, 2402827, 5148915, 7208481, 12014135, 36042405, 195315509, 585946527, 976577545, 1367208563, 2929732635, 4101625689, 6836042815, 20508128445]

約数ペア:

[(1, 20508128445), (3, 6836042815), (5, 4101625689), (7, 2929732635), (15, 1367208563), (21, 976577545), (35, 585946527), (105, 195315509), (569, 36042405), (1707, 12014135), (2845, 7208481), (3983, 5148915), (8535, 2402827), (11949, 1716305), (19915, 1029783), (59745, 343261)]