20521692

素因数分解:

$2^2\times 3^2\times {\mathrm{570047}}^1$

素因数の和:570057

約数の個数: 18

約数和(自身を含む): 51874368

約数和(自身を除く): 31352676

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 570047, 1140094, 1710141, 2280188, 3420282, 5130423, 6840564, 10260846, 20521692]

約数ペア:

[(1, 20521692), (2, 10260846), (3, 6840564), (4, 5130423), (6, 3420282), (9, 2280188), (12, 1710141), (18, 1140094), (36, 570047)]