20879210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2833}}^1$

素因数の和:2918

約数の個数: 32

約数和(自身を含む): 41625792

約数和(自身を除く): 20746582

約数列:

[1, 2, 5, 10, 11, 22, 55, 67, 110, 134, 335, 670, 737, 1474, 2833, 3685, 5666, 7370, 14165, 28330, 31163, 62326, 155815, 189811, 311630, 379622, 949055, 1898110, 2087921, 4175842, 10439605, 20879210]

約数ペア:

[(1, 20879210), (2, 10439605), (5, 4175842), (10, 2087921), (11, 1898110), (22, 949055), (55, 379622), (67, 311630), (110, 189811), (134, 155815), (335, 62326), (670, 31163), (737, 28330), (1474, 14165), (2833, 7370), (3685, 5666)]