20173856913

素因数分解:

$3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1769171}}^1$

素因数の和:1769365

約数の個数: 24

約数和(自身を含む): 33486887616

約数和(自身を除く): 13313030703

約数列:

[1, 3, 7, 9, 21, 63, 181, 543, 1267, 1629, 3801, 11403, 1769171, 5307513, 12384197, 15922539, 37152591, 111457773, 320219951, 960659853, 2241539657, 2881979559, 6724618971, 20173856913]

約数ペア:

[(1, 20173856913), (3, 6724618971), (7, 2881979559), (9, 2241539657), (21, 960659853), (63, 320219951), (181, 111457773), (543, 37152591), (1267, 15922539), (1629, 12384197), (3801, 5307513), (11403, 1769171)]