20269683

素因数分解:

$3^4\times 7^2\times {\mathrm{5107}}^1$

素因数の和:5133

約数の個数: 30

約数和(自身を含む): 35229876

約数和(自身を除く): 14960193

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 5107, 15321, 35749, 45963, 107247, 137889, 250243, 321741, 413667, 750729, 965223, 2252187, 2895669, 6756561, 20269683]

約数ペア:

[(1, 20269683), (3, 6756561), (7, 2895669), (9, 2252187), (21, 965223), (27, 750729), (49, 413667), (63, 321741), (81, 250243), (147, 137889), (189, 107247), (441, 45963), (567, 35749), (1323, 15321), (3969, 5107)]