20429091

素因数分解:

$3^4\times {\mathrm{179}}^1\times {\mathrm{1409}}^1$

素因数の和:1600

約数の個数: 20

約数和(自身を含む): 30709800

約数和(自身を除く): 10280709

約数列:

[1, 3, 9, 27, 81, 179, 537, 1409, 1611, 4227, 4833, 12681, 14499, 38043, 114129, 252211, 756633, 2269899, 6809697, 20429091]

約数ペア:

[(1, 20429091), (3, 6809697), (9, 2269899), (27, 756633), (81, 252211), (179, 114129), (537, 38043), (1409, 14499), (1611, 12681), (4227, 4833)]