20137284

素因数分解:

$2^2\times 3^2\times {\mathrm{559369}}^1$

素因数の和:559379

約数の個数: 18

約数和(自身を含む): 50902670

約数和(自身を除く): 30765386

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 559369, 1118738, 1678107, 2237476, 3356214, 5034321, 6712428, 10068642, 20137284]

約数ペア:

[(1, 20137284), (2, 10068642), (3, 6712428), (4, 5034321), (6, 3356214), (9, 2237476), (12, 1678107), (18, 1118738), (36, 559369)]