20180479

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{347}}^1$

素因数の和:686

約数の個数: 16

約数和(自身を含む): 23452416

約数和(自身を除く): 3271937

約数列:

[1, 11, 17, 187, 311, 347, 3421, 3817, 5287, 5899, 58157, 64889, 107917, 1187087, 1834589, 20180479]

約数ペア:

[(1, 20180479), (11, 1834589), (17, 1187087), (187, 107917), (311, 64889), (347, 58157), (3421, 5899), (3817, 5287)]