20175225

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{463}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 38664192

約数和(自身を除く): 18488967

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 83, 105, 175, 249, 415, 463, 525, 581, 1245, 1389, 1743, 2075, 2315, 2905, 3241, 6225, 6945, 8715, 9723, 11575, 14525, 16205, 34725, 38429, 43575, 48615, 81025, 115287, 192145, 243075, 269003, 576435, 807009, 960725, 1345015, 2882175, 4035045, 6725075, 20175225]

約数ペア:

[(1, 20175225), (3, 6725075), (5, 4035045), (7, 2882175), (15, 1345015), (21, 960725), (25, 807009), (35, 576435), (75, 269003), (83, 243075), (105, 192145), (175, 115287), (249, 81025), (415, 48615), (463, 43575), (525, 38429), (581, 34725), (1245, 16205), (1389, 14525), (1743, 11575), (2075, 9723), (2315, 8715), (2905, 6945), (3241, 6225)]