20156578

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{541}}^1\times {\mathrm{1433}}^1$

素因数の和:1989

約数の個数: 16

約数和(自身を含む): 32643576

約数和(自身を除く): 12486998

約数列:

[1, 2, 13, 26, 541, 1082, 1433, 2866, 7033, 14066, 18629, 37258, 775253, 1550506, 10078289, 20156578]

約数ペア:

[(1, 20156578), (2, 10078289), (13, 1550506), (26, 775253), (541, 37258), (1082, 18629), (1433, 14066), (2866, 7033)]