20001764

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{269}}^1\times {\mathrm{641}}^1$

素因数の和:943

約数の個数: 24

約数和(自身を含む): 36401400

約数和(自身を除く): 16399636

約数列:

[1, 2, 4, 29, 58, 116, 269, 538, 641, 1076, 1282, 2564, 7801, 15602, 18589, 31204, 37178, 74356, 172429, 344858, 689716, 5000441, 10000882, 20001764]

約数ペア:

[(1, 20001764), (2, 10000882), (4, 5000441), (29, 689716), (58, 344858), (116, 172429), (269, 74356), (538, 37178), (641, 31204), (1076, 18589), (1282, 15602), (2564, 7801)]