16644368

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{80021}}^1$

素因数の和:80042

約数の個数: 20

約数和(自身を含む): 34729548

約数和(自身を除く): 18085180

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 80021, 160042, 320084, 640168, 1040273, 1280336, 2080546, 4161092, 8322184, 16644368]

約数ペア:

[(1, 16644368), (2, 8322184), (4, 4161092), (8, 2080546), (13, 1280336), (16, 1040273), (26, 640168), (52, 320084), (104, 160042), (208, 80021)]