20586573

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 35782656

約数和(自身を除く): 15196083

約数列:

[1, 3, 7, 9, 21, 31, 63, 83, 93, 127, 217, 249, 279, 381, 581, 651, 747, 889, 1143, 1743, 1953, 2573, 2667, 3937, 5229, 7719, 8001, 10541, 11811, 18011, 23157, 27559, 31623, 35433, 54033, 73787, 82677, 94869, 162099, 221361, 248031, 326771, 664083, 980313, 2287397, 2940939, 6862191, 20586573]

約数ペア:

[(1, 20586573), (3, 6862191), (7, 2940939), (9, 2287397), (21, 980313), (31, 664083), (63, 326771), (83, 248031), (93, 221361), (127, 162099), (217, 94869), (249, 82677), (279, 73787), (381, 54033), (581, 35433), (651, 31623), (747, 27559), (889, 23157), (1143, 18011), (1743, 11811), (1953, 10541), (2573, 8001), (2667, 7719), (3937, 5229)]