20166377

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 26818560

約数和(自身を除く): 6652183

約数列:

[1, 7, 11, 23, 59, 77, 161, 193, 253, 413, 649, 1351, 1357, 1771, 2123, 4439, 4543, 9499, 11387, 14861, 14927, 31073, 48829, 79709, 104489, 125257, 261901, 341803, 876799, 1833307, 2880911, 20166377]

約数ペア:

[(1, 20166377), (7, 2880911), (11, 1833307), (23, 876799), (59, 341803), (77, 261901), (161, 125257), (193, 104489), (253, 79709), (413, 48829), (649, 31073), (1351, 14927), (1357, 14861), (1771, 11387), (2123, 9499), (4439, 4543)]