20685610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{1087}}^1$

素因数の和:1278

約数の個数: 32

約数和(自身を含む): 40891392

約数和(自身を除く): 20205782

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 173, 346, 865, 1087, 1730, 1903, 2174, 3806, 5435, 9515, 10870, 11957, 19030, 23914, 59785, 119570, 188051, 376102, 940255, 1880510, 2068561, 4137122, 10342805, 20685610]

約数ペア:

[(1, 20685610), (2, 10342805), (5, 4137122), (10, 2068561), (11, 1880510), (22, 940255), (55, 376102), (110, 188051), (173, 119570), (346, 59785), (865, 23914), (1087, 19030), (1730, 11957), (1903, 10870), (2174, 9515), (3806, 5435)]