20701551

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{1889}}^1$

素因数の和:2186

約数の個数: 16

約数和(自身を含む): 29846880

約数和(自身を除く): 9145329

約数列:

[1, 3, 13, 39, 281, 843, 1889, 3653, 5667, 10959, 24557, 73671, 530809, 1592427, 6900517, 20701551]

約数ペア:

[(1, 20701551), (3, 6900517), (13, 1592427), (39, 530809), (281, 73671), (843, 24557), (1889, 10959), (3653, 5667)]