20736991

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{641}}^1$

素因数の和:842

約数の個数: 16

約数和(自身を含む): 24128928

約数和(自身を除く): 3391937

約数列:

[1, 11, 17, 173, 187, 641, 1903, 2941, 7051, 10897, 32351, 110893, 119867, 1219823, 1885181, 20736991]

約数ペア:

[(1, 20736991), (11, 1885181), (17, 1219823), (173, 119867), (187, 110893), (641, 32351), (1903, 10897), (2941, 7051)]