20837104

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{76607}}^1$

素因数の和:76632

約数の個数: 20

約数和(自身を含む): 42747264

約数和(自身を除く): 21910160

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 76607, 153214, 306428, 612856, 1225712, 1302319, 2604638, 5209276, 10418552, 20837104]

約数ペア:

[(1, 20837104), (2, 10418552), (4, 5209276), (8, 2604638), (16, 1302319), (17, 1225712), (34, 612856), (68, 306428), (136, 153214), (272, 76607)]