20816230

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{31069}}^1$

素因数の和:31143

約数の個数: 16

約数和(自身を含む): 38029680

約数和(自身を除く): 17213450

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 31069, 62138, 155345, 310690, 2081623, 4163246, 10408115, 20816230]

約数ペア:

[(1, 20816230), (2, 10408115), (5, 4163246), (10, 2081623), (67, 310690), (134, 155345), (335, 62138), (670, 31069)]