20163318161

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{571}}^1\times {\mathrm{31333}}^1$

素因数の和:31941

約数の個数: 24

約数和(自身を含む): 24518729664

約数和(自身を除く): 4355411503

約数列:

[1, 7, 23, 49, 161, 571, 1127, 3997, 13133, 27979, 31333, 91931, 219331, 643517, 720659, 1535317, 5044613, 17891143, 35312291, 125238001, 411496289, 876666007, 2880474023, 20163318161]

約数ペア:

[(1, 20163318161), (7, 2880474023), (23, 876666007), (49, 411496289), (161, 125238001), (571, 35312291), (1127, 17891143), (3997, 5044613), (13133, 1535317), (27979, 720659), (31333, 643517), (91931, 219331)]