20011263

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{991}}^1$

素因数の和:1174

約数の個数: 16

約数和(自身を含む): 27426816

約数和(自身を除く): 7415553

約数列:

[1, 3, 53, 127, 159, 381, 991, 2973, 6731, 20193, 52523, 125857, 157569, 377571, 6670421, 20011263]

約数ペア:

[(1, 20011263), (3, 6670421), (53, 377571), (127, 157569), (159, 125857), (381, 52523), (991, 20193), (2973, 6731)]