20001506

素因数分解:

$2^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{2459}}^1$

素因数の和:2558

約数の個数: 24

約数和(自身を含む): 35335440

約数和(自身を除く): 15333934

約数列:

[1, 2, 7, 14, 49, 83, 98, 166, 581, 1162, 2459, 4067, 4918, 8134, 17213, 34426, 120491, 204097, 240982, 408194, 1428679, 2857358, 10000753, 20001506]

約数ペア:

[(1, 20001506), (2, 10000753), (7, 2857358), (14, 1428679), (49, 408194), (83, 240982), (98, 204097), (166, 120491), (581, 34426), (1162, 17213), (2459, 8134), (4067, 4918)]