20648931

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{6043}}^1$

素因数の和:6130

約数の個数: 16

約数和(自身を含む): 29591424

約数和(自身を除く): 8942493

約数列:

[1, 3, 17, 51, 67, 201, 1139, 3417, 6043, 18129, 102731, 308193, 404881, 1214643, 6882977, 20648931]

約数ペア:

[(1, 20648931), (3, 6882977), (17, 1214643), (51, 404881), (67, 308193), (201, 102731), (1139, 18129), (3417, 6043)]