20515743904

素因数分解:

$2^5\times {\mathrm{197}}^1\times {\mathrm{1423}}^1\times {\mathrm{2287}}^1$

素因数の和:3917

約数の個数: 48

約数和(自身を含む): 40641689088

約数和(自身を除く): 20125945184

約数列:

[1, 2, 4, 8, 16, 32, 197, 394, 788, 1423, 1576, 2287, 2846, 3152, 4574, 5692, 6304, 9148, 11384, 18296, 22768, 36592, 45536, 73184, 280331, 450539, 560662, 901078, 1121324, 1802156, 2242648, 3254401, 3604312, 4485296, 6508802, 7208624, 8970592, 13017604, 14417248, 26035208, 52070416, 104140832, 641116997, 1282233994, 2564467988, 5128935976, 10257871952, 20515743904]

約数ペア:

[(1, 20515743904), (2, 10257871952), (4, 5128935976), (8, 2564467988), (16, 1282233994), (32, 641116997), (197, 104140832), (394, 52070416), (788, 26035208), (1423, 14417248), (1576, 13017604), (2287, 8970592), (2846, 7208624), (3152, 6508802), (4574, 4485296), (5692, 3604312), (6304, 3254401), (9148, 2242648), (11384, 1802156), (18296, 1121324), (22768, 901078), (36592, 560662), (45536, 450539), (73184, 280331)]