20160820209

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{1013}}^1\times {\mathrm{1237}}^1$

素因数の和:2457

約数の個数: 32

約数和(自身を含む): 27958754304

約数和(自身を除く): 7797934095

約数列:

[1, 3, 31, 93, 173, 519, 1013, 1237, 3039, 3711, 5363, 16089, 31403, 38347, 94209, 115041, 175249, 214001, 525747, 642003, 1253081, 3759243, 5432719, 6634031, 16298157, 19902093, 38845511, 116536533, 216783013, 650349039, 6720273403, 20160820209]

約数ペア:

[(1, 20160820209), (3, 6720273403), (31, 650349039), (93, 216783013), (173, 116536533), (519, 38845511), (1013, 19902093), (1237, 16298157), (3039, 6634031), (3711, 5432719), (5363, 3759243), (16089, 1253081), (31403, 642003), (38347, 525747), (94209, 214001), (115041, 175249)]