20414090

素因数分解:

$2^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{4091}}^1$

素因数の和:4597

約数の個数: 16

約数和(自身を含む): 36828000

約数和(自身を除く): 16413910

約数列:

[1, 2, 5, 10, 499, 998, 2495, 4091, 4990, 8182, 20455, 40910, 2041409, 4082818, 10207045, 20414090]

約数ペア:

[(1, 20414090), (2, 10207045), (5, 4082818), (10, 2041409), (499, 40910), (998, 20455), (2495, 8182), (4091, 4990)]