20015303

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{13681}}^1$

素因数の和:13718

約数の個数: 16

約数和(自身を含む): 26269440

約数和(自身を除く): 6254137

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 13681, 95767, 150491, 259939, 1053437, 1819573, 2859329, 20015303]

約数ペア:

[(1, 20015303), (7, 2859329), (11, 1819573), (19, 1053437), (77, 259939), (133, 150491), (209, 95767), (1463, 13681)]