16485220

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{8161}}^1$

素因数の和:8271

約数の個数: 24

約数和(自身を含む): 34966008

約数和(自身を除く): 18480788

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 8161, 16322, 32644, 40805, 81610, 163220, 824261, 1648522, 3297044, 4121305, 8242610, 16485220]

約数ペア:

[(1, 16485220), (2, 8242610), (4, 4121305), (5, 3297044), (10, 1648522), (20, 824261), (101, 163220), (202, 81610), (404, 40805), (505, 32644), (1010, 16322), (2020, 8161)]