20136480021

素因数分解:

$3^2\times 7^1\times {\mathrm{319626667}}^1$

素因数の和:319626680

約数の個数: 12

約数和(自身を含む): 33241173472

約数和(自身を除く): 13104693451

約数列:

[1, 3, 7, 9, 21, 63, 319626667, 958880001, 2237386669, 2876640003, 6712160007, 20136480021]

約数ペア:

[(1, 20136480021), (3, 6712160007), (7, 2876640003), (9, 2237386669), (21, 958880001), (63, 319626667)]