20379376

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{12611}}^1$

素因数の和:12720

約数の個数: 20

約数和(自身を含む): 39879144

約数和(自身を除く): 19499768

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 12611, 25222, 50444, 100888, 201776, 1273711, 2547422, 5094844, 10189688, 20379376]

約数ペア:

[(1, 20379376), (2, 10189688), (4, 5094844), (8, 2547422), (16, 1273711), (101, 201776), (202, 100888), (404, 50444), (808, 25222), (1616, 12611)]