20163685521

素因数分解:

$3^1\times 7^1\times {\mathrm{1427}}^1\times {\mathrm{672863}}^1$

素因数の和:674300

約数の個数: 16

約数和(自身を含む): 30747193344

約数和(自身を除く): 10583507823

約数列:

[1, 3, 7, 21, 1427, 4281, 9989, 29967, 672863, 2018589, 4710041, 14130123, 960175501, 2880526503, 6721228507, 20163685521]

約数ペア:

[(1, 20163685521), (3, 6721228507), (7, 2880526503), (21, 960175501), (1427, 14130123), (4281, 4710041), (9989, 2018589), (29967, 672863)]