20001339

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{277}}^1$

素因数の和:467

約数の個数: 24

約数和(自身を含む): 29663712

約数和(自身を除く): 9662373

約数列:

[1, 3, 9, 71, 113, 213, 277, 339, 639, 831, 1017, 2493, 8023, 19667, 24069, 31301, 59001, 72207, 93903, 177003, 281709, 2222371, 6667113, 20001339]

約数ペア:

[(1, 20001339), (3, 6667113), (9, 2222371), (71, 281709), (113, 177003), (213, 93903), (277, 72207), (339, 59001), (639, 31301), (831, 24069), (1017, 19667), (2493, 8023)]