12109220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{19531}}^1$

素因数の和:19571

約数の個数: 24

約数和(自身を含む): 26251008

約数和(自身を除く): 14141788

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 19531, 39062, 78124, 97655, 195310, 390620, 605461, 1210922, 2421844, 3027305, 6054610, 12109220]

約数ペア:

[(1, 12109220), (2, 6054610), (4, 3027305), (5, 2421844), (10, 1210922), (20, 605461), (31, 390620), (62, 195310), (124, 97655), (155, 78124), (310, 39062), (620, 19531)]