20069870

素因数分解:

$2^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{3943}}^1$

素因数の和:4459

約数の個数: 16

約数和(自身を含む): 36205920

約数和(自身を除く): 16136050

約数列:

[1, 2, 5, 10, 509, 1018, 2545, 3943, 5090, 7886, 19715, 39430, 2006987, 4013974, 10034935, 20069870]

約数ペア:

[(1, 20069870), (2, 10034935), (5, 4013974), (10, 2006987), (509, 39430), (1018, 19715), (2545, 7886), (3943, 5090)]