20510360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{39443}}^1$

素因数の和:39467

約数の個数: 32

約数和(自身を含む): 49699440

約数和(自身を除く): 29189080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 39443, 78886, 157772, 197215, 315544, 394430, 512759, 788860, 1025518, 1577720, 2051036, 2563795, 4102072, 5127590, 10255180, 20510360]

約数ペア:

[(1, 20510360), (2, 10255180), (4, 5127590), (5, 4102072), (8, 2563795), (10, 2051036), (13, 1577720), (20, 1025518), (26, 788860), (40, 512759), (52, 394430), (65, 315544), (104, 197215), (130, 157772), (260, 78886), (520, 39443)]