20828001

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{797}}^1$

素因数の和:1112

約数の個数: 16

約数和(自身を含む): 28804608

約数和(自身を除く): 7976607

約数列:

[1, 3, 31, 93, 281, 797, 843, 2391, 8711, 24707, 26133, 74121, 223957, 671871, 6942667, 20828001]

約数ペア:

[(1, 20828001), (3, 6942667), (31, 671871), (93, 223957), (281, 74121), (797, 26133), (843, 24707), (2391, 8711)]