20100450531

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{72277}}^1$

素因数の和:72364

約数の個数: 64

約数和(自身を含む): 34970987520

約数和(自身を除く): 14870536989

約数列:

[1, 3, 7, 17, 19, 21, 41, 51, 57, 119, 123, 133, 287, 323, 357, 399, 697, 779, 861, 969, 2091, 2261, 2337, 4879, 5453, 6783, 13243, 14637, 16359, 39729, 72277, 92701, 216831, 278103, 505939, 1228709, 1373263, 1517817, 2963357, 3686127, 4119789, 8600963, 8890071, 9612841, 20743499, 23345471, 25802889, 28838523, 50377069, 56303783, 62230497, 70036413, 151131207, 163418297, 168911349, 352639483, 394126481, 490254891, 957164311, 1057918449, 1182379443, 2871492933, 6700150177, 20100450531]

約数ペア:

[(1, 20100450531), (3, 6700150177), (7, 2871492933), (17, 1182379443), (19, 1057918449), (21, 957164311), (41, 490254891), (51, 394126481), (57, 352639483), (119, 168911349), (123, 163418297), (133, 151131207), (287, 70036413), (323, 62230497), (357, 56303783), (399, 50377069), (697, 28838523), (779, 25802889), (861, 23345471), (969, 20743499), (2091, 9612841), (2261, 8890071), (2337, 8600963), (4879, 4119789), (5453, 3686127), (6783, 2963357), (13243, 1517817), (14637, 1373263), (16359, 1228709), (39729, 505939), (72277, 278103), (92701, 216831)]