20700394

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{72379}}^1$

素因数の和:72405

約数の個数: 16

約数和(自身を含む): 36479520

約数和(自身を除く): 15779126

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 72379, 144758, 796169, 940927, 1592338, 1881854, 10350197, 20700394]

約数ペア:

[(1, 20700394), (2, 10350197), (11, 1881854), (13, 1592338), (22, 940927), (26, 796169), (143, 144758), (286, 72379)]