20128748003

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3115423}}^1$

素因数の和:3115514

約数の個数: 16

約数和(自身を含む): 25122779136

約数和(自身を除く): 4994031133

約数列:

[1, 7, 13, 71, 91, 497, 923, 6461, 3115423, 21807961, 40500499, 221195033, 283503493, 1548365231, 2875535429, 20128748003]

約数ペア:

[(1, 20128748003), (7, 2875535429), (13, 1548365231), (71, 283503493), (91, 221195033), (497, 40500499), (923, 21807961), (6461, 3115423)]