20786090096

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{5054983}}^1$

素因数の和:5055248

約数の個数: 20

約数和(自身を含む): 40429762032

約数和(自身を除く): 19643671936

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 5054983, 10109966, 20219932, 40439864, 80879728, 1299130631, 2598261262, 5196522524, 10393045048, 20786090096]

約数ペア:

[(1, 20786090096), (2, 10393045048), (4, 5196522524), (8, 2598261262), (16, 1299130631), (257, 80879728), (514, 40439864), (1028, 20219932), (2056, 10109966), (4112, 5054983)]