12111220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{55051}}^1$

素因数の和:55071

約数の個数: 24

約数和(自身を含む): 27746208

約数和(自身を除く): 15634988

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 55051, 110102, 220204, 275255, 550510, 605561, 1101020, 1211122, 2422244, 3027805, 6055610, 12111220]

約数ペア:

[(1, 12111220), (2, 6055610), (4, 3027805), (5, 2422244), (10, 1211122), (11, 1101020), (20, 605561), (22, 550510), (44, 275255), (55, 220204), (110, 110102), (220, 55051)]