20806992

素因数分解:

$2^4\times 3^2\times {\mathrm{131}}^1\times {\mathrm{1103}}^1$

素因数の和:1248

約数の個数: 60

約数和(自身を含む): 58728384

約数和(自身を除く): 37921392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 131, 144, 262, 393, 524, 786, 1048, 1103, 1179, 1572, 2096, 2206, 2358, 3144, 3309, 4412, 4716, 6288, 6618, 8824, 9432, 9927, 13236, 17648, 18864, 19854, 26472, 39708, 52944, 79416, 144493, 158832, 288986, 433479, 577972, 866958, 1155944, 1300437, 1733916, 2311888, 2600874, 3467832, 5201748, 6935664, 10403496, 20806992]

約数ペア:

[(1, 20806992), (2, 10403496), (3, 6935664), (4, 5201748), (6, 3467832), (8, 2600874), (9, 2311888), (12, 1733916), (16, 1300437), (18, 1155944), (24, 866958), (36, 577972), (48, 433479), (72, 288986), (131, 158832), (144, 144493), (262, 79416), (393, 52944), (524, 39708), (786, 26472), (1048, 19854), (1103, 18864), (1179, 17648), (1572, 13236), (2096, 9927), (2206, 9432), (2358, 8824), (3144, 6618), (3309, 6288), (4412, 4716)]