20199088360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{45907019}}^1$

素因数の和:45907041

約数の個数: 32

約数和(自身を含む): 49579581600

約数和(自身を除く): 29380493240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 45907019, 91814038, 183628076, 229535095, 367256152, 459070190, 504977209, 918140380, 1009954418, 1836280760, 2019908836, 2524886045, 4039817672, 5049772090, 10099544180, 20199088360]

約数ペア:

[(1, 20199088360), (2, 10099544180), (4, 5049772090), (5, 4039817672), (8, 2524886045), (10, 2019908836), (11, 1836280760), (20, 1009954418), (22, 918140380), (40, 504977209), (44, 459070190), (55, 367256152), (88, 229535095), (110, 183628076), (220, 91814038), (440, 45907019)]