20825115

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{389}}^1$

素因数の和:523

約数の個数: 32

約数和(自身を含む): 34594560

約数和(自身を除く): 13769445

約数列:

[1, 3, 5, 15, 43, 83, 129, 215, 249, 389, 415, 645, 1167, 1245, 1945, 3569, 5835, 10707, 16727, 17845, 32287, 50181, 53535, 83635, 96861, 161435, 250905, 484305, 1388341, 4165023, 6941705, 20825115]

約数ペア:

[(1, 20825115), (3, 6941705), (5, 4165023), (15, 1388341), (43, 484305), (83, 250905), (129, 161435), (215, 96861), (249, 83635), (389, 53535), (415, 50181), (645, 32287), (1167, 17845), (1245, 16727), (1945, 10707), (3569, 5835)]