20050580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{91139}}^1$

素因数の和:91159

約数の個数: 24

約数和(自身を含む): 45934560

約数和(自身を除く): 25883980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 91139, 182278, 364556, 455695, 911390, 1002529, 1822780, 2005058, 4010116, 5012645, 10025290, 20050580]

約数ペア:

[(1, 20050580), (2, 10025290), (4, 5012645), (5, 4010116), (10, 2005058), (11, 1822780), (20, 1002529), (22, 911390), (44, 455695), (55, 364556), (110, 182278), (220, 91139)]