20007393987

素因数分解:

$3^1\times 7^2\times {\mathrm{136104721}}^1$

素因数の和:136104738

約数の個数: 12

約数和(自身を含む): 31031876616

約数和(自身を除く): 11024482629

約数列:

[1, 3, 7, 21, 49, 147, 136104721, 408314163, 952733047, 2858199141, 6669131329, 20007393987]

約数ペア:

[(1, 20007393987), (3, 6669131329), (7, 2858199141), (21, 952733047), (49, 408314163), (147, 136104721)]