20051636

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{2437}}^1$

素因数の和:2480

約数の個数: 36

約数和(自身を含む): 40856004

約数和(自身を除く): 20804368

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 121, 187, 242, 374, 484, 748, 2057, 2437, 4114, 4874, 8228, 9748, 26807, 41429, 53614, 82858, 107228, 165716, 294877, 455719, 589754, 911438, 1179508, 1822876, 5012909, 10025818, 20051636]

約数ペア:

[(1, 20051636), (2, 10025818), (4, 5012909), (11, 1822876), (17, 1179508), (22, 911438), (34, 589754), (44, 455719), (68, 294877), (121, 165716), (187, 107228), (242, 82858), (374, 53614), (484, 41429), (748, 26807), (2057, 9748), (2437, 8228), (4114, 4874)]