20403721731

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{4903}}^1\times {\mathrm{10589}}^1$

素因数の和:15626

約数の個数: 16

約数和(自身を含む): 27420814080

約数和(自身を除く): 7017092349

約数列:

[1, 3, 131, 393, 4903, 10589, 14709, 31767, 642293, 1387159, 1926879, 4161477, 51917867, 155753601, 6801240577, 20403721731]

約数ペア:

[(1, 20403721731), (3, 6801240577), (131, 155753601), (393, 51917867), (4903, 4161477), (10589, 1926879), (14709, 1387159), (31767, 642293)]