20551912

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{433}}^1$

素因数の和:805

約数の個数: 32

約数和(自身を含む): 41013000

約数和(自身を除く): 20461088

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 349, 433, 698, 866, 1396, 1732, 2792, 3464, 5933, 7361, 11866, 14722, 23732, 29444, 47464, 58888, 151117, 302234, 604468, 1208936, 2568989, 5137978, 10275956, 20551912]

約数ペア:

[(1, 20551912), (2, 10275956), (4, 5137978), (8, 2568989), (17, 1208936), (34, 604468), (68, 302234), (136, 151117), (349, 58888), (433, 47464), (698, 29444), (866, 23732), (1396, 14722), (1732, 11866), (2792, 7361), (3464, 5933)]