20174836816

素因数分解:

$2^4\times {\mathrm{647}}^1\times {\mathrm{1948883}}^1$

素因数の和:1949538

約数の個数: 20

約数和(自身を含む): 39149181792

約数和(自身を除く): 18974344976

約数列:

[1, 2, 4, 8, 16, 647, 1294, 2588, 5176, 10352, 1948883, 3897766, 7795532, 15591064, 31182128, 1260927301, 2521854602, 5043709204, 10087418408, 20174836816]

約数ペア:

[(1, 20174836816), (2, 10087418408), (4, 5043709204), (8, 2521854602), (16, 1260927301), (647, 31182128), (1294, 15591064), (2588, 7795532), (5176, 3897766), (10352, 1948883)]