20765728

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{13807}}^1$

素因数の和:13864

約数の個数: 24

約数和(自身を含む): 41755392

約数和(自身を除く): 20989664

約数列:

[1, 2, 4, 8, 16, 32, 47, 94, 188, 376, 752, 1504, 13807, 27614, 55228, 110456, 220912, 441824, 648929, 1297858, 2595716, 5191432, 10382864, 20765728]

約数ペア:

[(1, 20765728), (2, 10382864), (4, 5191432), (8, 2595716), (16, 1297858), (32, 648929), (47, 441824), (94, 220912), (188, 110456), (376, 55228), (752, 27614), (1504, 13807)]