20760173

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:297

約数の個数: 24

約数和(自身を含む): 25390080

約数和(自身を除く): 4629907

約数列:

[1, 7, 31, 49, 79, 173, 217, 553, 1211, 1519, 2449, 3871, 5363, 8477, 13667, 17143, 37541, 95669, 120001, 262787, 423677, 669683, 2965739, 20760173]

約数ペア:

[(1, 20760173), (7, 2965739), (31, 669683), (49, 423677), (79, 262787), (173, 120001), (217, 95669), (553, 37541), (1211, 17143), (1519, 13667), (2449, 8477), (3871, 5363)]