20456777

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{709}}^1$

素因数の和:824

約数の個数: 16

約数和(自身を含む): 23242560

約数和(自身を除く): 2785783

約数列:

[1, 11, 43, 61, 473, 671, 709, 2623, 7799, 28853, 30487, 43249, 335357, 475739, 1859707, 20456777]

約数ペア:

[(1, 20456777), (11, 1859707), (43, 475739), (61, 335357), (473, 43249), (671, 30487), (709, 28853), (2623, 7799)]