20212761

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1\times {\mathrm{443}}^1$

素因数の和:740

約数の個数: 16

約数和(自身を含む): 27535104

約数和(自身を除く): 7322343

約数列:

[1, 3, 67, 201, 227, 443, 681, 1329, 15209, 29681, 45627, 89043, 100561, 301683, 6737587, 20212761]

約数ペア:

[(1, 20212761), (3, 6737587), (67, 301683), (201, 100561), (227, 89043), (443, 45627), (681, 29681), (1329, 15209)]