20003517

素因数分解:

$3^5\times {\mathrm{263}}^1\times {\mathrm{313}}^1$

素因数の和:591

約数の個数: 24

約数和(自身を含む): 30174144

約数和(自身を除く): 10170627

約数列:

[1, 3, 9, 27, 81, 243, 263, 313, 789, 939, 2367, 2817, 7101, 8451, 21303, 25353, 63909, 76059, 82319, 246957, 740871, 2222613, 6667839, 20003517]

約数ペア:

[(1, 20003517), (3, 6667839), (9, 2222613), (27, 740871), (81, 246957), (243, 82319), (263, 76059), (313, 63909), (789, 25353), (939, 21303), (2367, 8451), (2817, 7101)]