20673158

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{233}}^1$

素因数の和:392

約数の個数: 32

約数和(自身を含む): 35212320

約数和(自身を除く): 14539162

約数列:

[1, 2, 11, 22, 37, 74, 109, 218, 233, 407, 466, 814, 1199, 2398, 2563, 4033, 5126, 8066, 8621, 17242, 25397, 44363, 50794, 88726, 94831, 189662, 279367, 558734, 939689, 1879378, 10336579, 20673158]

約数ペア:

[(1, 20673158), (2, 10336579), (11, 1879378), (22, 939689), (37, 558734), (74, 279367), (109, 189662), (218, 94831), (233, 88726), (407, 50794), (466, 44363), (814, 25397), (1199, 17242), (2398, 8621), (2563, 8066), (4033, 5126)]