20338605

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{64567}}^1$

素因数の和:64585

約数の個数: 24

約数和(自身を含む): 40290432

約数和(自身を除く): 19951827

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 64567, 193701, 322835, 451969, 581103, 968505, 1355907, 2259845, 2905515, 4067721, 6779535, 20338605]

約数ペア:

[(1, 20338605), (3, 6779535), (5, 4067721), (7, 2905515), (9, 2259845), (15, 1355907), (21, 968505), (35, 581103), (45, 451969), (63, 322835), (105, 193701), (315, 64567)]