20287264

素因数分解:

$2^5\times {\mathrm{101}}^1\times {\mathrm{6277}}^1$

素因数の和:6388

約数の個数: 24

約数和(自身を含む): 40342428

約数和(自身を除く): 20055164

約数列:

[1, 2, 4, 8, 16, 32, 101, 202, 404, 808, 1616, 3232, 6277, 12554, 25108, 50216, 100432, 200864, 633977, 1267954, 2535908, 5071816, 10143632, 20287264]

約数ペア:

[(1, 20287264), (2, 10143632), (4, 5071816), (8, 2535908), (16, 1267954), (32, 633977), (101, 200864), (202, 100432), (404, 50216), (808, 25108), (1616, 12554), (3232, 6277)]