20422910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2287}}^1$

素因数の和:2360

約数の個数: 32

約数和(自身を含む): 39536640

約数和(自身を除く): 19113730

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 190, 235, 470, 893, 1786, 2287, 4465, 4574, 8930, 11435, 22870, 43453, 86906, 107489, 214978, 217265, 434530, 537445, 1074890, 2042291, 4084582, 10211455, 20422910]

約数ペア:

[(1, 20422910), (2, 10211455), (5, 4084582), (10, 2042291), (19, 1074890), (38, 537445), (47, 434530), (94, 217265), (95, 214978), (190, 107489), (235, 86906), (470, 43453), (893, 22870), (1786, 11435), (2287, 8930), (4465, 4574)]