20797718

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{691}}^1$

素因数の和:943

約数の個数: 16

約数和(自身を含む): 31762800

約数和(自身を除く): 10965082

約数列:

[1, 2, 101, 149, 202, 298, 691, 1382, 15049, 30098, 69791, 102959, 139582, 205918, 10398859, 20797718]

約数ペア:

[(1, 20797718), (2, 10398859), (101, 205918), (149, 139582), (202, 102959), (298, 69791), (691, 30098), (1382, 15049)]