20569913

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11897}}^1$

素因数の和:11936

約数の個数: 16

約数和(自身を含む): 26651520

約数和(自身を除く): 6081607

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 11897, 83279, 154661, 226043, 1082627, 1582301, 2938559, 20569913]

約数ペア:

[(1, 20569913), (7, 2938559), (13, 1582301), (19, 1082627), (91, 226043), (133, 154661), (247, 83279), (1729, 11897)]