20149105870

素因数分解:

$2^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{3133609}}^1$

素因数の和:3134259

約数の個数: 16

約数和(自身を含む): 36324807120

約数和(自身を除く): 16175701250

約数列:

[1, 2, 5, 10, 643, 1286, 3215, 6430, 3133609, 6267218, 15668045, 31336090, 2014910587, 4029821174, 10074552935, 20149105870]

約数ペア:

[(1, 20149105870), (2, 10074552935), (5, 4029821174), (10, 2014910587), (643, 31336090), (1286, 15668045), (3215, 6267218), (6430, 3133609)]