20131085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{977}}^1$

素因数の和:1312

約数の個数: 16

約数和(自身を含む): 26124336

約数和(自身を除く): 5993251

約数列:

[1, 5, 13, 65, 317, 977, 1585, 4121, 4885, 12701, 20605, 63505, 309709, 1548545, 4026217, 20131085]

約数ペア:

[(1, 20131085), (5, 4026217), (13, 1548545), (65, 309709), (317, 63505), (977, 20605), (1585, 12701), (4121, 4885)]