20512742988

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{613}}^1\times {\mathrm{146767}}^1$

素因数の和:147406

約数の個数: 48

約数和(自身を含む): 50464709120

約数和(自身を除く): 29951966132

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 613, 1226, 1839, 2452, 3678, 7356, 11647, 23294, 34941, 46588, 69882, 139764, 146767, 293534, 440301, 587068, 880602, 1761204, 2788573, 5577146, 8365719, 11154292, 16731438, 33462876, 89968171, 179936342, 269904513, 359872684, 539809026, 1079618052, 1709395249, 3418790498, 5128185747, 6837580996, 10256371494, 20512742988]

約数ペア:

[(1, 20512742988), (2, 10256371494), (3, 6837580996), (4, 5128185747), (6, 3418790498), (12, 1709395249), (19, 1079618052), (38, 539809026), (57, 359872684), (76, 269904513), (114, 179936342), (228, 89968171), (613, 33462876), (1226, 16731438), (1839, 11154292), (2452, 8365719), (3678, 5577146), (7356, 2788573), (11647, 1761204), (23294, 880602), (34941, 587068), (46588, 440301), (69882, 293534), (139764, 146767)]