20147991545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{1499}}^1\times {\mathrm{244381}}^1$

素因数の和:245896

約数の個数: 16

約数和(自身を含む): 26393256000

約数和(自身を除く): 6245264455

約数列:

[1, 5, 11, 55, 1499, 7495, 16489, 82445, 244381, 1221905, 2688191, 13440955, 366327119, 1831635595, 4029598309, 20147991545]

約数ペア:

[(1, 20147991545), (5, 4029598309), (11, 1831635595), (55, 366327119), (1499, 13440955), (7495, 2688191), (16489, 1221905), (82445, 244381)]