20408186799

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{20047}}^1$

素因数の和:20197

約数の個数: 96

約数和(自身を含む): 39931766784

約数和(自身を除く): 19523579985

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 91, 99, 113, 117, 143, 231, 273, 339, 429, 693, 791, 819, 1001, 1017, 1243, 1287, 1469, 2373, 3003, 3729, 4407, 7119, 8701, 9009, 10283, 11187, 13221, 16159, 20047, 26103, 30849, 48477, 60141, 78309, 92547, 113113, 140329, 145431, 180423, 220517, 260611, 339339, 420987, 661551, 781833, 1018017, 1262961, 1543619, 1824277, 1984653, 2265311, 2345499, 2866721, 4630857, 5472831, 6795933, 8600163, 13892571, 15857177, 16418493, 20067047, 20387799, 24918421, 25800489, 29449043, 47571531, 60201141, 74755263, 88347129, 142714593, 174428947, 180603423, 206143301, 224265789, 265041387, 323939473, 523286841, 618429903, 971818419, 1569860523, 1855289709, 2267576311, 2915455257, 6802728933, 20408186799]

約数ペア:

[(1, 20408186799), (3, 6802728933), (7, 2915455257), (9, 2267576311), (11, 1855289709), (13, 1569860523), (21, 971818419), (33, 618429903), (39, 523286841), (63, 323939473), (77, 265041387), (91, 224265789), (99, 206143301), (113, 180603423), (117, 174428947), (143, 142714593), (231, 88347129), (273, 74755263), (339, 60201141), (429, 47571531), (693, 29449043), (791, 25800489), (819, 24918421), (1001, 20387799), (1017, 20067047), (1243, 16418493), (1287, 15857177), (1469, 13892571), (2373, 8600163), (3003, 6795933), (3729, 5472831), (4407, 4630857), (7119, 2866721), (8701, 2345499), (9009, 2265311), (10283, 1984653), (11187, 1824277), (13221, 1543619), (16159, 1262961), (20047, 1018017), (26103, 781833), (30849, 661551), (48477, 420987), (60141, 339339), (78309, 260611), (92547, 220517), (113113, 180423), (140329, 145431)]