20145554440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{45785351}}^1$

素因数の和:45785373

約数の個数: 32

約数和(自身を含む): 49448180160

約数和(自身を除く): 29302625720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 45785351, 91570702, 183141404, 228926755, 366282808, 457853510, 503638861, 915707020, 1007277722, 1831414040, 2014555444, 2518194305, 4029110888, 5036388610, 10072777220, 20145554440]

約数ペア:

[(1, 20145554440), (2, 10072777220), (4, 5036388610), (5, 4029110888), (8, 2518194305), (10, 2014555444), (11, 1831414040), (20, 1007277722), (22, 915707020), (40, 503638861), (44, 457853510), (55, 366282808), (88, 228926755), (110, 183141404), (220, 91570702), (440, 45785351)]