20682669

素因数分解:

$3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{5693}}^1$

素因数の和:5876

約数の個数: 16

約数和(自身を含む): 31704192

約数和(自身を除く): 11021523

約数列:

[1, 3, 7, 21, 173, 519, 1211, 3633, 5693, 17079, 39851, 119553, 984889, 2954667, 6894223, 20682669]

約数ペア:

[(1, 20682669), (3, 6894223), (7, 2954667), (21, 984889), (173, 119553), (519, 39851), (1211, 17079), (3633, 5693)]