20323220

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{10061}}^1$

素因数の和:10171

約数の個数: 24

約数和(自身を含む): 43105608

約数和(自身を除く): 22782388

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 10061, 20122, 40244, 50305, 100610, 201220, 1016161, 2032322, 4064644, 5080805, 10161610, 20323220]

約数ペア:

[(1, 20323220), (2, 10161610), (4, 5080805), (5, 4064644), (10, 2032322), (20, 1016161), (101, 201220), (202, 100610), (404, 50305), (505, 40244), (1010, 20122), (2020, 10061)]