16920185

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1453}}^1$

素因数の和:1612

約数の個数: 16

約数和(自身を含む): 21670416

約数和(自身を除く): 4750231

約数列:

[1, 5, 17, 85, 137, 685, 1453, 2329, 7265, 11645, 24701, 123505, 199061, 995305, 3384037, 16920185]

約数ペア:

[(1, 16920185), (5, 3384037), (17, 995305), (85, 199061), (137, 123505), (685, 24701), (1453, 11645), (2329, 7265)]