20154779727

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{2971}}^1\times {\mathrm{31849}}^1$

素因数の和:34894

約数の個数: 16

約数和(自身を含む): 27261561600

約数和(自身を除く): 7106781873

約数列:

[1, 3, 71, 213, 2971, 8913, 31849, 95547, 210941, 632823, 2261279, 6783837, 94623379, 283870137, 6718259909, 20154779727]

約数ペア:

[(1, 20154779727), (3, 6718259909), (71, 283870137), (213, 94623379), (2971, 6783837), (8913, 2261279), (31849, 632823), (95547, 210941)]