20479580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{93089}}^1$

素因数の和:93109

約数の個数: 24

約数和(自身を含む): 46917360

約数和(自身を除く): 26437780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 93089, 186178, 372356, 465445, 930890, 1023979, 1861780, 2047958, 4095916, 5119895, 10239790, 20479580]

約数ペア:

[(1, 20479580), (2, 10239790), (4, 5119895), (5, 4095916), (10, 2047958), (11, 1861780), (20, 1023979), (22, 930890), (44, 465445), (55, 372356), (110, 186178), (220, 93089)]