20512110220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{146515073}}^1$

素因数の和:146515089

約数の個数: 24

約数和(自身を含む): 49229064864

約数和(自身を除く): 28716954644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 146515073, 293030146, 586060292, 732575365, 1025605511, 1465150730, 2051211022, 2930301460, 4102422044, 5128027555, 10256055110, 20512110220]

約数ペア:

[(1, 20512110220), (2, 10256055110), (4, 5128027555), (5, 4102422044), (7, 2930301460), (10, 2051211022), (14, 1465150730), (20, 1025605511), (28, 732575365), (35, 586060292), (70, 293030146), (140, 146515073)]