20830017

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{12421}}^1$

素因数の和:12480

約数の個数: 16

約数和(自身を含む): 30607808

約数和(自身を除く): 9777791

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 12421, 37263, 161473, 484419, 534103, 1602309, 6943339, 20830017]

約数ペア:

[(1, 20830017), (3, 6943339), (13, 1602309), (39, 534103), (43, 484419), (129, 161473), (559, 37263), (1677, 12421)]