20771048

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{18679}}^1$

素因数の和:18824

約数の個数: 16

約数和(自身を含む): 39228000

約数和(自身を除く): 18456952

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 18679, 37358, 74716, 149432, 2596381, 5192762, 10385524, 20771048]

約数ペア:

[(1, 20771048), (2, 10385524), (4, 5192762), (8, 2596381), (139, 149432), (278, 74716), (556, 37358), (1112, 18679)]