20804340515

素因数分解:

$5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{1201}}^1$

素因数の和:1452

約数の個数: 64

約数和(自身を含む): 29660359680

約数和(自身を除く): 8856019165

約数列:

[1, 5, 7, 35, 67, 83, 89, 335, 415, 445, 469, 581, 623, 1201, 2345, 2905, 3115, 5561, 5963, 6005, 7387, 8407, 27805, 29815, 36935, 38927, 41741, 42035, 51709, 80467, 99683, 106889, 194635, 208705, 258545, 402335, 494929, 498415, 534445, 563269, 697781, 748223, 2474645, 2816345, 3464503, 3488905, 3741115, 6678761, 7161563, 8871787, 17322515, 33393805, 35807815, 44358935, 46751327, 50130941, 62102509, 233756635, 250654705, 310512545, 594409729, 2972048645, 4160868103, 20804340515]

約数ペア:

[(1, 20804340515), (5, 4160868103), (7, 2972048645), (35, 594409729), (67, 310512545), (83, 250654705), (89, 233756635), (335, 62102509), (415, 50130941), (445, 46751327), (469, 44358935), (581, 35807815), (623, 33393805), (1201, 17322515), (2345, 8871787), (2905, 7161563), (3115, 6678761), (5561, 3741115), (5963, 3488905), (6005, 3464503), (7387, 2816345), (8407, 2474645), (27805, 748223), (29815, 697781), (36935, 563269), (38927, 534445), (41741, 498415), (42035, 494929), (51709, 402335), (80467, 258545), (99683, 208705), (106889, 194635)]