2105648

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{1303}}^1$

素因数の和:1412

約数の個数: 20

約数和(自身を含む): 4123248

約数和(自身を除く): 2017600

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1303, 1616, 2606, 5212, 10424, 20848, 131603, 263206, 526412, 1052824, 2105648]

約数ペア:

[(1, 2105648), (2, 1052824), (4, 526412), (8, 263206), (16, 131603), (101, 20848), (202, 10424), (404, 5212), (808, 2606), (1303, 1616)]