2020123640

素因数分解:

$2^3\times 5^1\times {\mathrm{50503091}}^1$

素因数の和:50503102

約数の個数: 16

約数和(自身を含む): 4545278280

約数和(自身を除く): 2525154640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 50503091, 101006182, 202012364, 252515455, 404024728, 505030910, 1010061820, 2020123640]

約数ペア:

[(1, 2020123640), (2, 1010061820), (4, 505030910), (5, 404024728), (8, 252515455), (10, 202012364), (20, 101006182), (40, 50503091)]