20161888

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{33161}}^1$

素因数の和:33190

約数の個数: 24

約数和(自身を含む): 41784120

約数和(自身を除く): 21622232

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 33161, 66322, 132644, 265288, 530576, 630059, 1061152, 1260118, 2520236, 5040472, 10080944, 20161888]

約数ペア:

[(1, 20161888), (2, 10080944), (4, 5040472), (8, 2520236), (16, 1260118), (19, 1061152), (32, 630059), (38, 530576), (76, 265288), (152, 132644), (304, 66322), (608, 33161)]