20108229

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{941}}^1$

素因数の和:1380

約数の個数: 16

約数和(自身を含む): 28486080

約数和(自身を除く): 8377851

約数列:

[1, 3, 17, 51, 419, 941, 1257, 2823, 7123, 15997, 21369, 47991, 394279, 1182837, 6702743, 20108229]

約数ペア:

[(1, 20108229), (3, 6702743), (17, 1182837), (51, 394279), (419, 47991), (941, 21369), (1257, 15997), (2823, 7123)]