20470252

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{3347}}^1$

素因数の和:3501

約数の個数: 24

約数和(自身を含む): 39372480

約数和(自身を除く): 18902228

約数列:

[1, 2, 4, 11, 22, 44, 139, 278, 556, 1529, 3058, 3347, 6116, 6694, 13388, 36817, 73634, 147268, 465233, 930466, 1860932, 5117563, 10235126, 20470252]

約数ペア:

[(1, 20470252), (2, 10235126), (4, 5117563), (11, 1860932), (22, 930466), (44, 465233), (139, 147268), (278, 73634), (556, 36817), (1529, 13388), (3058, 6694), (3347, 6116)]