20451530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{185923}}^1$

素因数の和:185941

約数の個数: 16

約数和(自身を含む): 40159584

約数和(自身を除く): 19708054

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 185923, 371846, 929615, 1859230, 2045153, 4090306, 10225765, 20451530]

約数ペア:

[(1, 20451530), (2, 10225765), (5, 4090306), (10, 2045153), (11, 1859230), (22, 929615), (55, 371846), (110, 185923)]