20647515142

素因数分解:

$2^1\times {\mathrm{211}}^1\times {\mathrm{223}}^1\times {\mathrm{219407}}^1$

素因数の和:219843

約数の個数: 16

約数和(自身を含む): 31257741312

約数和(自身を除く): 10610226170

約数列:

[1, 2, 211, 223, 422, 446, 47053, 94106, 219407, 438814, 46294877, 48927761, 92589754, 97855522, 10323757571, 20647515142]

約数ペア:

[(1, 20647515142), (2, 10323757571), (211, 97855522), (223, 92589754), (422, 48927761), (446, 46294877), (47053, 438814), (94106, 219407)]