20702440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47051}}^1$

素因数の和:47073

約数の個数: 32

約数和(自身を含む): 50816160

約数和(自身を除く): 30113720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 47051, 94102, 188204, 235255, 376408, 470510, 517561, 941020, 1035122, 1882040, 2070244, 2587805, 4140488, 5175610, 10351220, 20702440]

約数ペア:

[(1, 20702440), (2, 10351220), (4, 5175610), (5, 4140488), (8, 2587805), (10, 2070244), (11, 1882040), (20, 1035122), (22, 941020), (40, 517561), (44, 470510), (55, 376408), (88, 235255), (110, 188204), (220, 94102), (440, 47051)]