20191569

素因数分解:

$3^1\times {\mathrm{29}}^2\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:265

約数の個数: 24

約数和(自身を含む): 28596672

約数和(自身を除く): 8405103

約数列:

[1, 3, 29, 53, 87, 151, 159, 453, 841, 1537, 2523, 4379, 4611, 8003, 13137, 24009, 44573, 126991, 133719, 232087, 380973, 696261, 6730523, 20191569]

約数ペア:

[(1, 20191569), (3, 6730523), (29, 696261), (53, 380973), (87, 232087), (151, 133719), (159, 126991), (453, 44573), (841, 24009), (1537, 13137), (2523, 8003), (4379, 4611)]