20866235

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{5441}}^1$

素因数の和:5518

約数の個数: 16

約数和(自身を含む): 27427680

約数和(自身を除く): 6561445

約数列:

[1, 5, 13, 59, 65, 295, 767, 3835, 5441, 27205, 70733, 321019, 353665, 1605095, 4173247, 20866235]

約数ペア:

[(1, 20866235), (5, 4173247), (13, 1605095), (59, 353665), (65, 321019), (295, 70733), (767, 27205), (3835, 5441)]