20069987

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1151}}^1$

素因数の和:1258

約数の個数: 16

約数和(自身を含む): 23887872

約数和(自身を除く): 3817885

約数列:

[1, 7, 47, 53, 329, 371, 1151, 2491, 8057, 17437, 54097, 61003, 378679, 427021, 2867141, 20069987]

約数ペア:

[(1, 20069987), (7, 2867141), (47, 427021), (53, 378679), (329, 61003), (371, 54097), (1151, 17437), (2491, 8057)]