20219422064

素因数分解:

$2^4\times {\mathrm{199}}^1\times {\mathrm{619}}^1\times {\mathrm{10259}}^1$

素因数の和:11085

約数の個数: 40

約数和(自身を含む): 39439440000

約数和(自身を除く): 19220017936

約数列:

[1, 2, 4, 8, 16, 199, 398, 619, 796, 1238, 1592, 2476, 3184, 4952, 9904, 10259, 20518, 41036, 82072, 123181, 164144, 246362, 492724, 985448, 1970896, 2041541, 4083082, 6350321, 8166164, 12700642, 16332328, 25401284, 32664656, 50802568, 101605136, 1263713879, 2527427758, 5054855516, 10109711032, 20219422064]

約数ペア:

[(1, 20219422064), (2, 10109711032), (4, 5054855516), (8, 2527427758), (16, 1263713879), (199, 101605136), (398, 50802568), (619, 32664656), (796, 25401284), (1238, 16332328), (1592, 12700642), (2476, 8166164), (3184, 6350321), (4952, 4083082), (9904, 2041541), (10259, 1970896), (20518, 985448), (41036, 492724), (82072, 246362), (123181, 164144)]