20218694408

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{509441}}^1$

素因数の和:509510

約数の個数: 48

約数和(自身を含む): 42686145180

約数和(自身を除く): 22467450772

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 121, 164, 242, 328, 451, 484, 902, 968, 1804, 3608, 4961, 9922, 19844, 39688, 509441, 1018882, 2037764, 4075528, 5603851, 11207702, 20887081, 22415404, 41774162, 44830808, 61642361, 83548324, 123284722, 167096648, 229757891, 246569444, 459515782, 493138888, 919031564, 1838063128, 2527336801, 5054673602, 10109347204, 20218694408]

約数ペア:

[(1, 20218694408), (2, 10109347204), (4, 5054673602), (8, 2527336801), (11, 1838063128), (22, 919031564), (41, 493138888), (44, 459515782), (82, 246569444), (88, 229757891), (121, 167096648), (164, 123284722), (242, 83548324), (328, 61642361), (451, 44830808), (484, 41774162), (902, 22415404), (968, 20887081), (1804, 11207702), (3608, 5603851), (4961, 4075528), (9922, 2037764), (19844, 1018882), (39688, 509441)]