11781220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53551}}^1$

素因数の和:53571

約数の個数: 24

約数和(自身を含む): 26990208

約数和(自身を除く): 15208988

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 53551, 107102, 214204, 267755, 535510, 589061, 1071020, 1178122, 2356244, 2945305, 5890610, 11781220]

約数ペア:

[(1, 11781220), (2, 5890610), (4, 2945305), (5, 2356244), (10, 1178122), (11, 1071020), (20, 589061), (22, 535510), (44, 267755), (55, 214204), (110, 107102), (220, 53551)]