20368868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{3803}}^1$

素因数の和:3923

約数の個数: 24

約数和(自身を含む): 38770368

約数和(自身を除く): 18401500

約数列:

[1, 2, 4, 13, 26, 52, 103, 206, 412, 1339, 2678, 3803, 5356, 7606, 15212, 49439, 98878, 197756, 391709, 783418, 1566836, 5092217, 10184434, 20368868]

約数ペア:

[(1, 20368868), (2, 10184434), (4, 5092217), (13, 1566836), (26, 783418), (52, 391709), (103, 197756), (206, 98878), (412, 49439), (1339, 15212), (2678, 7606), (3803, 5356)]