20843912

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{137131}}^1$

素因数の和:137156

約数の個数: 16

約数和(自身を含む): 41139600

約数和(自身を除く): 20295688

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 137131, 274262, 548524, 1097048, 2605489, 5210978, 10421956, 20843912]

約数ペア:

[(1, 20843912), (2, 10421956), (4, 5210978), (8, 2605489), (19, 1097048), (38, 548524), (76, 274262), (152, 137131)]