20116984

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{147919}}^1$

素因数の和:147942

約数の個数: 16

約数和(自身を含む): 39938400

約数和(自身を除く): 19821416

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 147919, 295838, 591676, 1183352, 2514623, 5029246, 10058492, 20116984]

約数ペア:

[(1, 20116984), (2, 10058492), (4, 5029246), (8, 2514623), (17, 1183352), (34, 591676), (68, 295838), (136, 147919)]