20841106

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{72871}}^1$

素因数の和:72897

約数の個数: 16

約数和(自身を含む): 36727488

約数和(自身を除く): 15886382

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 72871, 145742, 801581, 947323, 1603162, 1894646, 10420553, 20841106]

約数ペア:

[(1, 20841106), (2, 10420553), (11, 1894646), (13, 1603162), (22, 947323), (26, 801581), (143, 145742), (286, 72871)]