20398004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{8747}}^1$

素因数の和:8815

約数の個数: 24

約数和(自身を含む): 39680928

約数和(自身を除く): 19282924

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 212, 583, 1166, 2332, 8747, 17494, 34988, 96217, 192434, 384868, 463591, 927182, 1854364, 5099501, 10199002, 20398004]

約数ペア:

[(1, 20398004), (2, 10199002), (4, 5099501), (11, 1854364), (22, 927182), (44, 463591), (53, 384868), (106, 192434), (212, 96217), (583, 34988), (1166, 17494), (2332, 8747)]