20349525

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{467}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 38997504

約数和(自身を除く): 18647979

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 83, 105, 175, 249, 415, 467, 525, 581, 1245, 1401, 1743, 2075, 2335, 2905, 3269, 6225, 7005, 8715, 9807, 11675, 14525, 16345, 35025, 38761, 43575, 49035, 81725, 116283, 193805, 245175, 271327, 581415, 813981, 969025, 1356635, 2907075, 4069905, 6783175, 20349525]

約数ペア:

[(1, 20349525), (3, 6783175), (5, 4069905), (7, 2907075), (15, 1356635), (21, 969025), (25, 813981), (35, 581415), (75, 271327), (83, 245175), (105, 193805), (175, 116283), (249, 81725), (415, 49035), (467, 43575), (525, 38761), (581, 35025), (1245, 16345), (1401, 14525), (1743, 11675), (2075, 9807), (2335, 8715), (2905, 7005), (3269, 6225)]