20778858716

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67463827}}^1$

素因数の和:67463849

約数の個数: 24

約数和(自身を含む): 45335692416

約数和(自身を除く): 24556833700

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 67463827, 134927654, 269855308, 472246789, 742102097, 944493578, 1484204194, 1888987156, 2968408388, 5194714679, 10389429358, 20778858716]

約数ペア:

[(1, 20778858716), (2, 10389429358), (4, 5194714679), (7, 2968408388), (11, 1888987156), (14, 1484204194), (22, 944493578), (28, 742102097), (44, 472246789), (77, 269855308), (154, 134927654), (308, 67463827)]