20164804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{8647}}^1$

素因数の和:8715

約数の個数: 24

約数和(自身を含む): 39227328

約数和(自身を除く): 19062524

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 212, 583, 1166, 2332, 8647, 17294, 34588, 95117, 190234, 380468, 458291, 916582, 1833164, 5041201, 10082402, 20164804]

約数ペア:

[(1, 20164804), (2, 10082402), (4, 5041201), (11, 1833164), (22, 916582), (44, 458291), (53, 380468), (106, 190234), (212, 95117), (583, 34588), (1166, 17294), (2332, 8647)]