20771666

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{43}}^2\times {\mathrm{137}}^1$

素因数の和:266

約数の個数: 24

約数和(自身を含む): 32915484

約数和(自身を除く): 12143818

約数列:

[1, 2, 41, 43, 82, 86, 137, 274, 1763, 1849, 3526, 3698, 5617, 5891, 11234, 11782, 75809, 151618, 241531, 253313, 483062, 506626, 10385833, 20771666]

約数ペア:

[(1, 20771666), (2, 10385833), (41, 506626), (43, 483062), (82, 253313), (86, 241531), (137, 151618), (274, 75809), (1763, 11782), (1849, 11234), (3526, 5891), (3698, 5617)]