20549944

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{135197}}^1$

素因数の和:135222

約数の個数: 16

約数和(自身を含む): 40559400

約数和(自身を除く): 20009456

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 135197, 270394, 540788, 1081576, 2568743, 5137486, 10274972, 20549944]

約数ペア:

[(1, 20549944), (2, 10274972), (4, 5137486), (8, 2568743), (19, 1081576), (38, 540788), (76, 270394), (152, 135197)]