20136879

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{3851}}^1$

素因数の和:3947

約数の個数: 24

約数和(自身を含む): 33651072

約数和(自身を除く): 13514193

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 581, 747, 1743, 3851, 5229, 11553, 26957, 34659, 80871, 242613, 319633, 958899, 2237431, 2876697, 6712293, 20136879]

約数ペア:

[(1, 20136879), (3, 6712293), (7, 2876697), (9, 2237431), (21, 958899), (63, 319633), (83, 242613), (249, 80871), (581, 34659), (747, 26957), (1743, 11553), (3851, 5229)]