20425055

素因数分解:

$5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 29030400

約数和(自身を除く): 8605345

約数列:

[1, 5, 7, 35, 79, 83, 89, 395, 415, 445, 553, 581, 623, 2765, 2905, 3115, 6557, 7031, 7387, 32785, 35155, 36935, 45899, 49217, 51709, 229495, 246085, 258545, 583573, 2917865, 4085011, 20425055]

約数ペア:

[(1, 20425055), (5, 4085011), (7, 2917865), (35, 583573), (79, 258545), (83, 246085), (89, 229495), (395, 51709), (415, 49217), (445, 45899), (553, 36935), (581, 35155), (623, 32785), (2765, 7387), (2905, 7031), (3115, 6557)]