20480554

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1\times {\mathrm{1303}}^1$

素因数の和:1605

約数の個数: 16

約数和(自身を含む): 31921920

約数和(自身を除く): 11441366

約数列:

[1, 2, 29, 58, 271, 542, 1303, 2606, 7859, 15718, 37787, 75574, 353113, 706226, 10240277, 20480554]

約数ペア:

[(1, 20480554), (2, 10240277), (29, 706226), (58, 353113), (271, 75574), (542, 37787), (1303, 15718), (2606, 7859)]