20187964713

素因数分解:

$3^1\times 7^1\times {\mathrm{6553}}^1\times {\mathrm{146701}}^1$

素因数の和:153264

約数の個数: 16

約数和(自身を含む): 30767517056

約数和(自身を除く): 10579552343

約数列:

[1, 3, 7, 21, 6553, 19659, 45871, 137613, 146701, 440103, 1026907, 3080721, 961331653, 2883994959, 6729321571, 20187964713]

約数ペア:

[(1, 20187964713), (3, 6729321571), (7, 2883994959), (21, 961331653), (6553, 3080721), (19659, 1026907), (45871, 440103), (137613, 146701)]