20733997317

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{251}}^1\times {\mathrm{643}}^1$

素因数の和:1154

約数の個数: 64

約数和(自身を含む): 32249871360

約数和(自身を除く): 11515874043

約数列:

[1, 3, 11, 17, 33, 51, 187, 229, 251, 561, 643, 687, 753, 1929, 2519, 2761, 3893, 4267, 7073, 7557, 8283, 10931, 11679, 12801, 21219, 32793, 42823, 46937, 57479, 120241, 128469, 140811, 147247, 161393, 172437, 360723, 441741, 484179, 632269, 977143, 1619717, 1775323, 1896807, 2503199, 2743681, 2931429, 4859151, 5325969, 7509597, 8231043, 10748573, 27535189, 30180491, 32245719, 36958997, 82605567, 90541473, 110876991, 406548967, 628302949, 1219646901, 1884908847, 6911332439, 20733997317]

約数ペア:

[(1, 20733997317), (3, 6911332439), (11, 1884908847), (17, 1219646901), (33, 628302949), (51, 406548967), (187, 110876991), (229, 90541473), (251, 82605567), (561, 36958997), (643, 32245719), (687, 30180491), (753, 27535189), (1929, 10748573), (2519, 8231043), (2761, 7509597), (3893, 5325969), (4267, 4859151), (7073, 2931429), (7557, 2743681), (8283, 2503199), (10931, 1896807), (11679, 1775323), (12801, 1619717), (21219, 977143), (32793, 632269), (42823, 484179), (46937, 441741), (57479, 360723), (120241, 172437), (128469, 161393), (140811, 147247)]