20883777

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{821}}^1$

素因数の和:1024

約数の個数: 16

約数和(自身を含む): 28539840

約数和(自身を除く): 7656063

約数列:

[1, 3, 61, 139, 183, 417, 821, 2463, 8479, 25437, 50081, 114119, 150243, 342357, 6961259, 20883777]

約数ペア:

[(1, 20883777), (3, 6961259), (61, 342357), (139, 150243), (183, 114119), (417, 50081), (821, 25437), (2463, 8479)]