20851098567

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{12433571}}^1$

素因数の和:12433630

約数の個数: 16

約数和(自身を含む): 30636321408

約数和(自身を除く): 9785222841

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 12433571, 37300713, 161636423, 484909269, 534643553, 1603930659, 6950366189, 20851098567]

約数ペア:

[(1, 20851098567), (3, 6950366189), (13, 1603930659), (39, 534643553), (43, 484909269), (129, 161636423), (559, 37300713), (1677, 12433571)]