20505364

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{2053}}^1$

素因数の和:2295

約数の個数: 24

約数和(自身を含む): 39338208

約数和(自身を除く): 18832844

約数列:

[1, 2, 4, 11, 22, 44, 227, 454, 908, 2053, 2497, 4106, 4994, 8212, 9988, 22583, 45166, 90332, 466031, 932062, 1864124, 5126341, 10252682, 20505364]

約数ペア:

[(1, 20505364), (2, 10252682), (4, 5126341), (11, 1864124), (22, 932062), (44, 466031), (227, 90332), (454, 45166), (908, 22583), (2053, 9988), (2497, 8212), (4106, 4994)]