20585512

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{135431}}^1$

素因数の和:135456

約数の個数: 16

約数和(自身を含む): 40629600

約数和(自身を除く): 20044088

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 135431, 270862, 541724, 1083448, 2573189, 5146378, 10292756, 20585512]

約数ペア:

[(1, 20585512), (2, 10292756), (4, 5146378), (8, 2573189), (19, 1083448), (38, 541724), (76, 270862), (152, 135431)]