20849510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17231}}^1$

素因数の和:17260

約数の個数: 24

約数和(自身を含む): 41253408

約数和(自身を除く): 20403898

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 17231, 34462, 86155, 172310, 189541, 379082, 947705, 1895410, 2084951, 4169902, 10424755, 20849510]

約数ペア:

[(1, 20849510), (2, 10424755), (5, 4169902), (10, 2084951), (11, 1895410), (22, 947705), (55, 379082), (110, 189541), (121, 172310), (242, 86155), (605, 34462), (1210, 17231)]