20809537623

素因数分解:

$3^2\times 7^1\times {\mathrm{1669}}^1\times {\mathrm{197909}}^1$

素因数の和:199591

約数の個数: 24

約数和(自身を含む): 34373008800

約数和(自身を除く): 13563471177

約数列:

[1, 3, 7, 9, 21, 63, 1669, 5007, 11683, 15021, 35049, 105147, 197909, 593727, 1385363, 1781181, 4156089, 12468267, 330310121, 990930363, 2312170847, 2972791089, 6936512541, 20809537623]

約数ペア:

[(1, 20809537623), (3, 6936512541), (7, 2972791089), (9, 2312170847), (21, 990930363), (63, 330310121), (1669, 12468267), (5007, 4156089), (11683, 1781181), (15021, 1385363), (35049, 593727), (105147, 197909)]