20778844304

素因数分解:

$2^4\times {\mathrm{4391}}^1\times {\mathrm{295759}}^1$

素因数の和:300158

約数の個数: 20

約数和(自身を含む): 40268315520

約数和(自身を除く): 19489471216

約数列:

[1, 2, 4, 8, 16, 4391, 8782, 17564, 35128, 70256, 295759, 591518, 1183036, 2366072, 4732144, 1298677769, 2597355538, 5194711076, 10389422152, 20778844304]

約数ペア:

[(1, 20778844304), (2, 10389422152), (4, 5194711076), (8, 2597355538), (16, 1298677769), (4391, 4732144), (8782, 2366072), (17564, 1183036), (35128, 591518), (70256, 295759)]