20123992088

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{704819}}^1$

素因数の和:704951

約数の個数: 32

約数和(自身を含む): 39075220800

約数和(自身を除く): 18951228712

約数列:

[1, 2, 4, 8, 43, 83, 86, 166, 172, 332, 344, 664, 3569, 7138, 14276, 28552, 704819, 1409638, 2819276, 5638552, 30307217, 58499977, 60614434, 116999954, 121228868, 233999908, 242457736, 467999816, 2515499011, 5030998022, 10061996044, 20123992088]

約数ペア:

[(1, 20123992088), (2, 10061996044), (4, 5030998022), (8, 2515499011), (43, 467999816), (83, 242457736), (86, 233999908), (166, 121228868), (172, 116999954), (332, 60614434), (344, 58499977), (664, 30307217), (3569, 5638552), (7138, 2819276), (14276, 1409638), (28552, 704819)]