20189917220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{8342941}}^1$

素因数の和:8342972

約数の個数: 36

約数和(自身を含む): 46603674012

約数和(自身を除く): 26413756792

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 8342941, 16685882, 33371764, 41714705, 83429410, 91772351, 166858820, 183544702, 367089404, 458861755, 917723510, 1009495861, 1835447020, 2018991722, 4037983444, 5047479305, 10094958610, 20189917220]

約数ペア:

[(1, 20189917220), (2, 10094958610), (4, 5047479305), (5, 4037983444), (10, 2018991722), (11, 1835447020), (20, 1009495861), (22, 917723510), (44, 458861755), (55, 367089404), (110, 183544702), (121, 166858820), (220, 91772351), (242, 83429410), (484, 41714705), (605, 33371764), (1210, 16685882), (2420, 8342941)]