20173013889

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{397}}^1\times {\mathrm{8431}}^1$

素因数の和:8886

約数の個数: 48

約数和(自身を含む): 32136443136

約数和(自身を除く): 11963429247

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 397, 861, 1191, 2009, 2779, 6027, 8337, 8431, 16277, 19453, 25293, 48831, 58359, 59017, 113939, 177051, 341817, 345671, 413119, 797573, 1037013, 1239357, 2392719, 2419697, 3347107, 7259091, 10041321, 16937879, 23429749, 50813637, 70289247, 137231387, 164008243, 411694161, 492024729, 960619709, 2881859127, 6724337963, 20173013889]

約数ペア:

[(1, 20173013889), (3, 6724337963), (7, 2881859127), (21, 960619709), (41, 492024729), (49, 411694161), (123, 164008243), (147, 137231387), (287, 70289247), (397, 50813637), (861, 23429749), (1191, 16937879), (2009, 10041321), (2779, 7259091), (6027, 3347107), (8337, 2419697), (8431, 2392719), (16277, 1239357), (19453, 1037013), (25293, 797573), (48831, 413119), (58359, 345671), (59017, 341817), (113939, 177051)]