20642220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{114679}}^1$

素因数の和:114694

約数の個数: 36

約数和(自身を含む): 62615280

約数和(自身を除く): 41973060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 114679, 229358, 344037, 458716, 573395, 688074, 1032111, 1146790, 1376148, 1720185, 2064222, 2293580, 3440370, 4128444, 5160555, 6880740, 10321110, 20642220]

約数ペア:

[(1, 20642220), (2, 10321110), (3, 6880740), (4, 5160555), (5, 4128444), (6, 3440370), (9, 2293580), (10, 2064222), (12, 1720185), (15, 1376148), (18, 1146790), (20, 1032111), (30, 688074), (36, 573395), (45, 458716), (60, 344037), (90, 229358), (180, 114679)]