20512031771

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{541}}^1\times {\mathrm{492403}}^1$

素因数の和:492962

約数の個数: 16

約数和(自身を含む): 25620764928

約数和(自身を除く): 5108733157

約数列:

[1, 7, 11, 77, 541, 3787, 5951, 41657, 492403, 3446821, 5416433, 37915031, 266390023, 1864730161, 2930290253, 20512031771]

約数ペア:

[(1, 20512031771), (7, 2930290253), (11, 1864730161), (77, 266390023), (541, 37915031), (3787, 5416433), (5951, 3446821), (41657, 492403)]