20166744521

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{3989}}^1\times {\mathrm{65657}}^1$

素因数の和:69664

約数の個数: 16

約数和(自身を含む): 25149640320

約数和(自身を除く): 4982895799

約数列:

[1, 7, 11, 77, 3989, 27923, 43879, 65657, 307153, 459599, 722227, 5055589, 261905773, 1833340411, 2880963503, 20166744521]

約数ペア:

[(1, 20166744521), (7, 2880963503), (11, 1833340411), (77, 261905773), (3989, 5055589), (27923, 722227), (43879, 459599), (65657, 307153)]