20000715

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{797}}^1$

素因数の和:1051

約数の個数: 32

約数和(自身を含む): 36771840

約数和(自身を除く): 16771125

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 239, 717, 797, 1195, 1673, 2391, 3585, 3985, 5019, 5579, 8365, 11955, 16737, 25095, 27895, 83685, 190483, 571449, 952415, 1333381, 2857245, 4000143, 6666905, 20000715]

約数ペア:

[(1, 20000715), (3, 6666905), (5, 4000143), (7, 2857245), (15, 1333381), (21, 952415), (35, 571449), (105, 190483), (239, 83685), (717, 27895), (797, 25095), (1195, 16737), (1673, 11955), (2391, 8365), (3585, 5579), (3985, 5019)]