16720683

素因数分解:

$3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{5273}}^1$

素因数の和:5434

約数の個数: 16

約数和(自身を含む): 25652736

約数和(自身を除く): 8932053

約数列:

[1, 3, 7, 21, 151, 453, 1057, 3171, 5273, 15819, 36911, 110733, 796223, 2388669, 5573561, 16720683]

約数ペア:

[(1, 16720683), (3, 5573561), (7, 2388669), (21, 796223), (151, 110733), (453, 36911), (1057, 15819), (3171, 5273)]