20914010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{160877}}^1$

素因数の和:160897

約数の個数: 16

約数和(自身を含む): 40541256

約数和(自身を除く): 19627246

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 160877, 321754, 804385, 1608770, 2091401, 4182802, 10457005, 20914010]

約数ペア:

[(1, 20914010), (2, 10457005), (5, 4182802), (10, 2091401), (13, 1608770), (26, 804385), (65, 321754), (130, 160877)]