20199468080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22953941}}^1$

素因数の和:22953965

約数の個数: 40

約数和(自身を含む): 51233198544

約数和(自身を除く): 31033730464

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 22953941, 45907882, 91815764, 114769705, 183631528, 229539410, 252493351, 367263056, 459078820, 504986702, 918157640, 1009973404, 1262466755, 1836315280, 2019946808, 2524933510, 4039893616, 5049867020, 10099734040, 20199468080]

約数ペア:

[(1, 20199468080), (2, 10099734040), (4, 5049867020), (5, 4039893616), (8, 2524933510), (10, 2019946808), (11, 1836315280), (16, 1262466755), (20, 1009973404), (22, 918157640), (40, 504986702), (44, 459078820), (55, 367263056), (80, 252493351), (88, 229539410), (110, 183631528), (176, 114769705), (220, 91815764), (440, 45907882), (880, 22953941)]