20186830881

素因数分解:

$3^3\times 7^1\times {\mathrm{443}}^1\times {\mathrm{461}}^1\times {\mathrm{523}}^1$

素因数の和:1443

約数の個数: 64

約数和(自身を含む): 34395863040

約数和(自身を除く): 14209032159

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 443, 461, 523, 1329, 1383, 1569, 3101, 3227, 3661, 3987, 4149, 4707, 9303, 9681, 10983, 11961, 12447, 14121, 27909, 29043, 32949, 83727, 87129, 98847, 204223, 231689, 241103, 612669, 695067, 723309, 1429561, 1621823, 1687721, 1838007, 2085201, 2169927, 4288683, 4865469, 5063163, 5514021, 6255603, 6509781, 12866049, 14596407, 15189489, 38598147, 43789221, 45568467, 106808629, 320425887, 747660403, 961277661, 2242981209, 2883832983, 6728943627, 20186830881]

約数ペア:

[(1, 20186830881), (3, 6728943627), (7, 2883832983), (9, 2242981209), (21, 961277661), (27, 747660403), (63, 320425887), (189, 106808629), (443, 45568467), (461, 43789221), (523, 38598147), (1329, 15189489), (1383, 14596407), (1569, 12866049), (3101, 6509781), (3227, 6255603), (3661, 5514021), (3987, 5063163), (4149, 4865469), (4707, 4288683), (9303, 2169927), (9681, 2085201), (10983, 1838007), (11961, 1687721), (12447, 1621823), (14121, 1429561), (27909, 723309), (29043, 695067), (32949, 612669), (83727, 241103), (87129, 231689), (98847, 204223)]