20173858691

素因数分解:

$7^1\times {\mathrm{137}}^1\times {\mathrm{2927}}^1\times {\mathrm{7187}}^1$

素因数の和:10258

約数の個数: 16

約数和(自身を含む): 23235296256

約数和(自身を除く): 3061437565

約数列:

[1, 7, 137, 959, 2927, 7187, 20489, 50309, 400999, 984619, 2806993, 6892333, 21036349, 147254443, 2881979813, 20173858691]

約数ペア:

[(1, 20173858691), (7, 2881979813), (137, 147254443), (959, 21036349), (2927, 6892333), (7187, 2806993), (20489, 984619), (50309, 400999)]