20159909

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{15401}}^1$

素因数の和:15436

約数の個数: 16

約数和(自身を含む): 26614656

約数和(自身を除く): 6454747

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 15401, 107807, 169411, 261817, 1185877, 1832719, 2879987, 20159909]

約数ペア:

[(1, 20159909), (7, 2879987), (11, 1832719), (17, 1185877), (77, 261817), (119, 169411), (187, 107807), (1309, 15401)]