20306990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{184609}}^1$

素因数の和:184627

約数の個数: 16

約数和(自身を含む): 39875760

約数和(自身を除く): 19568770

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 184609, 369218, 923045, 1846090, 2030699, 4061398, 10153495, 20306990]

約数ペア:

[(1, 20306990), (2, 10153495), (5, 4061398), (10, 2030699), (11, 1846090), (22, 923045), (55, 369218), (110, 184609)]