20476813

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{5309}}^1$

素因数の和:5364

約数の個数: 16

約数和(自身を含む): 25488000

約数和(自身を除く): 5011187

約数列:

[1, 7, 19, 29, 133, 203, 551, 3857, 5309, 37163, 100871, 153961, 706097, 1077727, 2925259, 20476813]

約数ペア:

[(1, 20476813), (7, 2925259), (19, 1077727), (29, 706097), (133, 153961), (203, 100871), (551, 37163), (3857, 5309)]