20495001

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{937}}^1$

素因数の和:1280

約数の個数: 16

約数和(自身を含む): 28635264

約数和(自身を除く): 8140263

約数列:

[1, 3, 23, 69, 317, 937, 951, 2811, 7291, 21551, 21873, 64653, 297029, 891087, 6831667, 20495001]

約数ペア:

[(1, 20495001), (3, 6831667), (23, 891087), (69, 297029), (317, 64653), (937, 21873), (951, 21551), (2811, 7291)]