20754517

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{5381}}^1$

素因数の和:5436

約数の個数: 16

約数和(自身を含む): 25833600

約数和(自身を除く): 5079083

約数列:

[1, 7, 19, 29, 133, 203, 551, 3857, 5381, 37667, 102239, 156049, 715673, 1092343, 2964931, 20754517]

約数ペア:

[(1, 20754517), (7, 2964931), (19, 1092343), (29, 715673), (133, 156049), (203, 102239), (551, 37667), (3857, 5381)]