20854799

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{5407}}^1$

素因数の和:5462

約数の個数: 16

約数和(自身を含む): 25958400

約数和(自身を除く): 5103601

約数列:

[1, 7, 19, 29, 133, 203, 551, 3857, 5407, 37849, 102733, 156803, 719131, 1097621, 2979257, 20854799]

約数ペア:

[(1, 20854799), (7, 2979257), (19, 1097621), (29, 719131), (133, 156803), (203, 102733), (551, 37849), (3857, 5407)]