20133282340

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{3916981}}^1$

素因数の和:3917247

約数の個数: 24

約数和(自身を含む): 42444416952

約数和(自身を除く): 22311134612

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 3916981, 7833962, 15667924, 19584905, 39169810, 78339620, 1006664117, 2013328234, 4026656468, 5033320585, 10066641170, 20133282340]

約数ペア:

[(1, 20133282340), (2, 10066641170), (4, 5033320585), (5, 4026656468), (10, 2013328234), (20, 1006664117), (257, 78339620), (514, 39169810), (1028, 19584905), (1285, 15667924), (2570, 7833962), (5140, 3916981)]