20740030

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{28411}}^1$

素因数の和:28491

約数の個数: 16

約数和(自身を含む): 37844784

約数和(自身を除く): 17104754

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 28411, 56822, 142055, 284110, 2074003, 4148006, 10370015, 20740030]

約数ペア:

[(1, 20740030), (2, 10370015), (5, 4148006), (10, 2074003), (73, 284110), (146, 142055), (365, 56822), (730, 28411)]