20993610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{63617}}^1$

素因数の和:63638

約数の個数: 32

約数和(自身を含む): 54965952

約数和(自身を除く): 33972342

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 63617, 127234, 190851, 318085, 381702, 636170, 699787, 954255, 1399574, 1908510, 2099361, 3498935, 4198722, 6997870, 10496805, 20993610]

約数ペア:

[(1, 20993610), (2, 10496805), (3, 6997870), (5, 4198722), (6, 3498935), (10, 2099361), (11, 1908510), (15, 1399574), (22, 954255), (30, 699787), (33, 636170), (55, 381702), (66, 318085), (110, 190851), (165, 127234), (330, 63617)]