20403913616

素因数分解:

$2^4\times {\mathrm{2797}}^1\times {\mathrm{455933}}^1$

素因数の和:458738

約数の個数: 20

約数和(自身を含む): 39546803292

約数和(自身を除く): 19142889676

約数列:

[1, 2, 4, 8, 16, 2797, 5594, 11188, 22376, 44752, 455933, 911866, 1823732, 3647464, 7294928, 1275244601, 2550489202, 5100978404, 10201956808, 20403913616]

約数ペア:

[(1, 20403913616), (2, 10201956808), (4, 5100978404), (8, 2550489202), (16, 1275244601), (2797, 7294928), (5594, 3647464), (11188, 1823732), (22376, 911866), (44752, 455933)]