20864110

素因数分解:

$2^1\times 5^1\times {\mathrm{809}}^1\times {\mathrm{2579}}^1$

素因数の和:3395

約数の個数: 16

約数和(自身を含む): 37616400

約数和(自身を除く): 16752290

約数列:

[1, 2, 5, 10, 809, 1618, 2579, 4045, 5158, 8090, 12895, 25790, 2086411, 4172822, 10432055, 20864110]

約数ペア:

[(1, 20864110), (2, 10432055), (5, 4172822), (10, 2086411), (809, 25790), (1618, 12895), (2579, 8090), (4045, 5158)]