20814352

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{100069}}^1$

素因数の和:100090

約数の個数: 20

約数和(自身を含む): 43430380

約数和(自身を除く): 22616028

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 100069, 200138, 400276, 800552, 1300897, 1601104, 2601794, 5203588, 10407176, 20814352]

約数ペア:

[(1, 20814352), (2, 10407176), (4, 5203588), (8, 2601794), (13, 1601104), (16, 1300897), (26, 800552), (52, 400276), (104, 200138), (208, 100069)]