20461653

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{1609}}^1$

素因数の和:1778

約数の個数: 20

約数和(自身を含む): 30779980

約数和(自身を除く): 10318327

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 1609, 4239, 4827, 12717, 14481, 43443, 130329, 252613, 757839, 2273517, 6820551, 20461653]

約数ペア:

[(1, 20461653), (3, 6820551), (9, 2273517), (27, 757839), (81, 252613), (157, 130329), (471, 43443), (1413, 14481), (1609, 12717), (4239, 4827)]