19820045

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{33311}}^1$

素因数の和:33340

約数の個数: 16

約数和(自身を含む): 28781568

約数和(自身を除く): 8961523

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 33311, 166555, 233177, 566287, 1165885, 2831435, 3964009, 19820045]

約数ペア:

[(1, 19820045), (5, 3964009), (7, 2831435), (17, 1165885), (35, 566287), (85, 233177), (119, 166555), (595, 33311)]