20454201

素因数分解:

$3^4\times {\mathrm{373}}^1\times {\mathrm{677}}^1$

素因数の和:1062

約数の個数: 20

約数和(自身を含む): 30682212

約数和(自身を除く): 10228011

約数列:

[1, 3, 9, 27, 81, 373, 677, 1119, 2031, 3357, 6093, 10071, 18279, 30213, 54837, 252521, 757563, 2272689, 6818067, 20454201]

約数ペア:

[(1, 20454201), (3, 6818067), (9, 2272689), (27, 757563), (81, 252521), (373, 54837), (677, 30213), (1119, 18279), (2031, 10071), (3357, 6093)]