20565523870

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2161}}^1\times {\mathrm{9811}}^1$

素因数の和:12076

約数の個数: 32

約数和(自身を含む): 37420691616

約数和(自身を除く): 16855167746

約数列:

[1, 2, 5, 10, 97, 194, 485, 970, 2161, 4322, 9811, 10805, 19622, 21610, 49055, 98110, 209617, 419234, 951667, 1048085, 1903334, 2096170, 4758335, 9516670, 21201571, 42403142, 106007855, 212015710, 2056552387, 4113104774, 10282761935, 20565523870]

約数ペア:

[(1, 20565523870), (2, 10282761935), (5, 4113104774), (10, 2056552387), (97, 212015710), (194, 106007855), (485, 42403142), (970, 21201571), (2161, 9516670), (4322, 4758335), (9811, 2096170), (10805, 1903334), (19622, 1048085), (21610, 951667), (49055, 419234), (98110, 209617)]