20983015

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{10733}}^1$

素因数の和:10778

約数の個数: 16

約数和(自身を含む): 27822528

約数和(自身を除く): 6839513

約数列:

[1, 5, 17, 23, 85, 115, 391, 1955, 10733, 53665, 182461, 246859, 912305, 1234295, 4196603, 20983015]

約数ペア:

[(1, 20983015), (5, 4196603), (17, 1234295), (23, 912305), (85, 246859), (115, 182461), (391, 53665), (1955, 10733)]