20945156939

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2687}}^1$

素因数の和:2832

約数の個数: 64

約数和(自身を含む): 27249868800

約数和(自身を除く): 6304711861

約数列:

[1, 7, 19, 29, 43, 47, 133, 203, 301, 329, 551, 817, 893, 1247, 1363, 2021, 2687, 3857, 5719, 6251, 8729, 9541, 14147, 18809, 23693, 25897, 38399, 51053, 58609, 77923, 115541, 126289, 165851, 181279, 268793, 357371, 410263, 545461, 808787, 884023, 1113571, 1480537, 2195279, 2399491, 3350689, 3662381, 5430427, 7794997, 10363759, 15366953, 16796437, 23454823, 25636667, 38012989, 63663091, 69585239, 103178113, 157482383, 445641637, 487096673, 722246791, 1102376681, 2992165277, 20945156939]

約数ペア:

[(1, 20945156939), (7, 2992165277), (19, 1102376681), (29, 722246791), (43, 487096673), (47, 445641637), (133, 157482383), (203, 103178113), (301, 69585239), (329, 63663091), (551, 38012989), (817, 25636667), (893, 23454823), (1247, 16796437), (1363, 15366953), (2021, 10363759), (2687, 7794997), (3857, 5430427), (5719, 3662381), (6251, 3350689), (8729, 2399491), (9541, 2195279), (14147, 1480537), (18809, 1113571), (23693, 884023), (25897, 808787), (38399, 545461), (51053, 410263), (58609, 357371), (77923, 268793), (115541, 181279), (126289, 165851)]