20706903

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{17299}}^1$

素因数の和:17331

約数の個数: 24

約数和(自身を含む): 35984000

約数和(自身を除く): 15277097

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 17299, 51897, 121093, 155691, 328681, 363279, 986043, 1089837, 2300767, 2958129, 6902301, 20706903]

約数ペア:

[(1, 20706903), (3, 6902301), (7, 2958129), (9, 2300767), (19, 1089837), (21, 986043), (57, 363279), (63, 328681), (133, 155691), (171, 121093), (399, 51897), (1197, 17299)]