20176695567

素因数分解:

$3^8\times 7^1\times {\mathrm{29}}^1\times {\mathrm{15149}}^1$

素因数の和:15209

約数の個数: 72

約数和(自身を含む): 35781876000

約数和(自身を除く): 15605180433

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 189, 203, 243, 261, 567, 609, 729, 783, 1701, 1827, 2187, 2349, 5103, 5481, 6561, 7047, 15149, 15309, 16443, 21141, 45447, 45927, 49329, 63423, 106043, 136341, 147987, 190269, 318129, 409023, 439321, 443961, 954387, 1227069, 1317963, 1331883, 2863161, 3075247, 3681207, 3953889, 8589483, 9225741, 11043621, 11861667, 25768449, 27677223, 33130863, 35585001, 77305347, 83031669, 99392589, 106755003, 231916041, 249095007, 320265009, 695748123, 747285021, 960795027, 2241855063, 2882385081, 6725565189, 20176695567]

約数ペア:

[(1, 20176695567), (3, 6725565189), (7, 2882385081), (9, 2241855063), (21, 960795027), (27, 747285021), (29, 695748123), (63, 320265009), (81, 249095007), (87, 231916041), (189, 106755003), (203, 99392589), (243, 83031669), (261, 77305347), (567, 35585001), (609, 33130863), (729, 27677223), (783, 25768449), (1701, 11861667), (1827, 11043621), (2187, 9225741), (2349, 8589483), (5103, 3953889), (5481, 3681207), (6561, 3075247), (7047, 2863161), (15149, 1331883), (15309, 1317963), (16443, 1227069), (21141, 954387), (45447, 443961), (45927, 439321), (49329, 409023), (63423, 318129), (106043, 190269), (136341, 147987)]