20647832

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{135841}}^1$

素因数の和:135866

約数の個数: 16

約数和(自身を含む): 40752600

約数和(自身を除く): 20104768

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 135841, 271682, 543364, 1086728, 2580979, 5161958, 10323916, 20647832]

約数ペア:

[(1, 20647832), (2, 10323916), (4, 5161958), (8, 2580979), (19, 1086728), (38, 543364), (76, 271682), (152, 135841)]