20487018

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{72649}}^1$

素因数の和:72701

約数の個数: 16

約数和(自身を含む): 41846400

約数和(自身を除く): 21359382

約数列:

[1, 2, 3, 6, 47, 94, 141, 282, 72649, 145298, 217947, 435894, 3414503, 6829006, 10243509, 20487018]

約数ペア:

[(1, 20487018), (2, 10243509), (3, 6829006), (6, 3414503), (47, 435894), (94, 217947), (141, 145298), (282, 72649)]