20971534738

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{136178797}}^1$

素因数の和:136178817

約数の個数: 16

約数和(自身を含む): 39219493824

約数和(自身を除く): 18247959086

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 136178797, 272357594, 953251579, 1497966767, 1906503158, 2995933534, 10485767369, 20971534738]

約数ペア:

[(1, 20971534738), (2, 10485767369), (7, 2995933534), (11, 1906503158), (14, 1497966767), (22, 953251579), (77, 272357594), (154, 136178797)]