20167774

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21319}}^1$

素因数の和:21375

約数の個数: 16

約数和(自身を含む): 33770880

約数和(自身を除く): 13603106

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 21319, 42638, 234509, 469018, 916717, 1833434, 10083887, 20167774]

約数ペア:

[(1, 20167774), (2, 10083887), (11, 1833434), (22, 916717), (43, 469018), (86, 234509), (473, 42638), (946, 21319)]