20218673690

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{4943441}}^1$

素因数の和:4943857

約数の個数: 16

約数和(自身を含む): 36482601960

約数和(自身を除く): 16263928270

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 4943441, 9886882, 24717205, 49434410, 2021867369, 4043734738, 10109336845, 20218673690]

約数ペア:

[(1, 20218673690), (2, 10109336845), (5, 4043734738), (10, 2021867369), (409, 49434410), (818, 24717205), (2045, 9886882), (4090, 4943441)]