20219668816

素因数分解:

$2^4\times {\mathrm{887}}^1\times {\mathrm{1424723}}^1$

素因数の和:1425618

約数の個数: 20

約数和(自身を含む): 39219802272

約数和(自身を除く): 19000133456

約数列:

[1, 2, 4, 8, 16, 887, 1774, 3548, 7096, 14192, 1424723, 2849446, 5698892, 11397784, 22795568, 1263729301, 2527458602, 5054917204, 10109834408, 20219668816]

約数ペア:

[(1, 20219668816), (2, 10109834408), (4, 5054917204), (8, 2527458602), (16, 1263729301), (887, 22795568), (1774, 11397784), (3548, 5698892), (7096, 2849446), (14192, 1424723)]