20456513

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{9161}}^1$

素因数の和:9208

約数の個数: 16

約数和(自身を含む): 26386560

約数和(自身を除く): 5930047

約数列:

[1, 7, 11, 29, 77, 203, 319, 2233, 9161, 64127, 100771, 265669, 705397, 1859683, 2922359, 20456513]

約数ペア:

[(1, 20456513), (7, 2922359), (11, 1859683), (29, 705397), (77, 265669), (203, 100771), (319, 64127), (2233, 9161)]