20013516

素因数分解:

$2^2\times 3^2\times {\mathrm{555931}}^1$

素因数の和:555941

約数の個数: 18

約数和(自身を含む): 50589812

約数和(自身を除く): 30576296

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 555931, 1111862, 1667793, 2223724, 3335586, 5003379, 6671172, 10006758, 20013516]

約数ペア:

[(1, 20013516), (2, 10006758), (3, 6671172), (4, 5003379), (6, 3335586), (9, 2223724), (12, 1667793), (18, 1111862), (36, 555931)]