16720438

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{25411}}^1$

素因数の和:25467

約数の個数: 16

約数和(自身を含む): 29274624

約数和(自身を除く): 12554186

約数列:

[1, 2, 7, 14, 47, 94, 329, 658, 25411, 50822, 177877, 355754, 1194317, 2388634, 8360219, 16720438]

約数ペア:

[(1, 16720438), (2, 8360219), (7, 2388634), (14, 1194317), (47, 355754), (94, 177877), (329, 50822), (658, 25411)]