20513304591

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{991}}^1\times {\mathrm{5153}}^1$

素因数の和:6263

約数の個数: 32

約数和(自身を含む): 29776760832

約数和(自身を除く): 9263456241

約数列:

[1, 3, 13, 39, 103, 309, 991, 1339, 2973, 4017, 5153, 12883, 15459, 38649, 66989, 102073, 200967, 306219, 530759, 1326949, 1592277, 3980847, 5106623, 6899867, 15319869, 20699601, 66386099, 199158297, 525982169, 1577946507, 6837768197, 20513304591]

約数ペア:

[(1, 20513304591), (3, 6837768197), (13, 1577946507), (39, 525982169), (103, 199158297), (309, 66386099), (991, 20699601), (1339, 15319869), (2973, 6899867), (4017, 5106623), (5153, 3980847), (12883, 1592277), (15459, 1326949), (38649, 530759), (66989, 306219), (102073, 200967)]