20798360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47269}}^1$

素因数の和:47291

約数の個数: 32

約数和(自身を含む): 51051600

約数和(自身を除く): 30253240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 47269, 94538, 189076, 236345, 378152, 472690, 519959, 945380, 1039918, 1890760, 2079836, 2599795, 4159672, 5199590, 10399180, 20798360]

約数ペア:

[(1, 20798360), (2, 10399180), (4, 5199590), (5, 4159672), (8, 2599795), (10, 2079836), (11, 1890760), (20, 1039918), (22, 945380), (40, 519959), (44, 472690), (55, 378152), (88, 236345), (110, 189076), (220, 94538), (440, 47269)]