20431670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4111}}^1$

素因数の和:4196

約数の個数: 32

約数和(自身を含む): 42633216

約数和(自身を除く): 22201546

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4111, 4970, 8222, 20555, 28777, 41110, 57554, 143885, 287770, 291881, 583762, 1459405, 2043167, 2918810, 4086334, 10215835, 20431670]

約数ペア:

[(1, 20431670), (2, 10215835), (5, 4086334), (7, 2918810), (10, 2043167), (14, 1459405), (35, 583762), (70, 291881), (71, 287770), (142, 143885), (355, 57554), (497, 41110), (710, 28777), (994, 20555), (2485, 8222), (4111, 4970)]