20535580078

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19697}}^1\times {\mathrm{40099}}^1$

素因数の和:59811

約数の個数: 16

約数和(自身を含む): 33175371600

約数和(自身を除く): 12639791522

約数列:

[1, 2, 13, 26, 19697, 39394, 40099, 80198, 256061, 512122, 521287, 1042574, 789830003, 1579660006, 10267790039, 20535580078]

約数ペア:

[(1, 20535580078), (2, 10267790039), (13, 1579660006), (26, 789830003), (19697, 1042574), (39394, 521287), (40099, 512122), (80198, 256061)]