20996933168

素因数分解:

$2^4\times {\mathrm{3191}}^1\times {\mathrm{411253}}^1$

素因数の和:414452

約数の個数: 20

約数和(自身を含む): 40694405808

約数和(自身を除く): 19697472640

約数列:

[1, 2, 4, 8, 16, 3191, 6382, 12764, 25528, 51056, 411253, 822506, 1645012, 3290024, 6580048, 1312308323, 2624616646, 5249233292, 10498466584, 20996933168]

約数ペア:

[(1, 20996933168), (2, 10498466584), (4, 5249233292), (8, 2624616646), (16, 1312308323), (3191, 6580048), (6382, 3290024), (12764, 1645012), (25528, 822506), (51056, 411253)]