20652910

素因数分解:

$2^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{7621}}^1$

素因数の和:7899

約数の個数: 16

約数和(自身を含む): 37317312

約数和(自身を除く): 16664402

約数列:

[1, 2, 5, 10, 271, 542, 1355, 2710, 7621, 15242, 38105, 76210, 2065291, 4130582, 10326455, 20652910]

約数ペア:

[(1, 20652910), (2, 10326455), (5, 4130582), (10, 2065291), (271, 76210), (542, 38105), (1355, 15242), (2710, 7621)]