20001728

素因数分解:

$2^6\times {\mathrm{312527}}^1$

素因数の和:312539

約数の個数: 14

約数和(自身を含む): 39691056

約数和(自身を除く): 19689328

約数列:

[1, 2, 4, 8, 16, 32, 64, 312527, 625054, 1250108, 2500216, 5000432, 10000864, 20001728]

約数ペア:

[(1, 20001728), (2, 10000864), (4, 5000432), (8, 2500216), (16, 1250108), (32, 625054), (64, 312527)]