20882972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{3623}}^1$

素因数の和:3769

約数の個数: 24

約数和(自身を含む): 40182912

約数和(自身を除く): 19299940

約数列:

[1, 2, 4, 11, 22, 44, 131, 262, 524, 1441, 2882, 3623, 5764, 7246, 14492, 39853, 79706, 159412, 474613, 949226, 1898452, 5220743, 10441486, 20882972]

約数ペア:

[(1, 20882972), (2, 10441486), (4, 5220743), (11, 1898452), (22, 949226), (44, 474613), (131, 159412), (262, 79706), (524, 39853), (1441, 14492), (2882, 7246), (3623, 5764)]