20145867

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{56431}}^1$

素因数の和:56458

約数の個数: 16

約数和(自身を含む): 32504832

約数和(自身を除く): 12358965

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 56431, 169293, 395017, 959327, 1185051, 2877981, 6715289, 20145867]

約数ペア:

[(1, 20145867), (3, 6715289), (7, 2877981), (17, 1185051), (21, 959327), (51, 395017), (119, 169293), (357, 56431)]