20010002

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{4831}}^1$

素因数の和:4961

約数の個数: 16

約数和(自身を含む): 31891200

約数和(自身を除く): 11881198

約数列:

[1, 2, 19, 38, 109, 218, 2071, 4142, 4831, 9662, 91789, 183578, 526579, 1053158, 10005001, 20010002]

約数ペア:

[(1, 20010002), (2, 10005001), (19, 1053158), (38, 526579), (109, 183578), (218, 91789), (2071, 9662), (4142, 4831)]