20199078739

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{987199}}^1$

素因数の和:987322

約数の個数: 16

約数和(自身を含む): 24008704000

約数和(自身を除く): 3809625261

約数列:

[1, 7, 37, 79, 259, 553, 2923, 20461, 987199, 6910393, 36526363, 77988721, 255684541, 545921047, 2885582677, 20199078739]

約数ペア:

[(1, 20199078739), (7, 2885582677), (37, 545921047), (79, 255684541), (259, 77988721), (553, 36526363), (2923, 6910393), (20461, 987199)]