20235996963

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{223}}^1\times {\mathrm{947}}^1$

素因数の和:1215

約数の個数: 120

約数和(自身を含む): 37616882688

約数和(自身を除く): 17380885725

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 169, 189, 223, 273, 351, 507, 567, 669, 819, 947, 1053, 1183, 1521, 1561, 2007, 2457, 2841, 2899, 3549, 4563, 4683, 6021, 6629, 7371, 8523, 8697, 10647, 12311, 13689, 14049, 18063, 19887, 20293, 25569, 26091, 31941, 36933, 37687, 42147, 59661, 60879, 76707, 78273, 86177, 95823, 110799, 113061, 126441, 160043, 178983, 182637, 211181, 234819, 258531, 263809, 332397, 339183, 480129, 536949, 547911, 633543, 775593, 791427, 997191, 1017549, 1120301, 1440387, 1478267, 1643733, 1900629, 2326779, 2374281, 2745353, 3052647, 3360903, 4321161, 4434801, 5701887, 6980337, 7122843, 8236059, 10082709, 12963483, 13304403, 17105661, 19217471, 21368529, 24708177, 30248127, 35689589, 39913209, 57652413, 74124531, 90744381, 107068767, 119739627, 172957239, 222373593, 249827123, 321206301, 518871717, 749481369, 963618903, 1556615151, 2248444107, 2890856709, 6745332321, 20235996963]

約数ペア:

[(1, 20235996963), (3, 6745332321), (7, 2890856709), (9, 2248444107), (13, 1556615151), (21, 963618903), (27, 749481369), (39, 518871717), (63, 321206301), (81, 249827123), (91, 222373593), (117, 172957239), (169, 119739627), (189, 107068767), (223, 90744381), (273, 74124531), (351, 57652413), (507, 39913209), (567, 35689589), (669, 30248127), (819, 24708177), (947, 21368529), (1053, 19217471), (1183, 17105661), (1521, 13304403), (1561, 12963483), (2007, 10082709), (2457, 8236059), (2841, 7122843), (2899, 6980337), (3549, 5701887), (4563, 4434801), (4683, 4321161), (6021, 3360903), (6629, 3052647), (7371, 2745353), (8523, 2374281), (8697, 2326779), (10647, 1900629), (12311, 1643733), (13689, 1478267), (14049, 1440387), (18063, 1120301), (19887, 1017549), (20293, 997191), (25569, 791427), (26091, 775593), (31941, 633543), (36933, 547911), (37687, 536949), (42147, 480129), (59661, 339183), (60879, 332397), (76707, 263809), (78273, 258531), (86177, 234819), (95823, 211181), (110799, 182637), (113061, 178983), (126441, 160043)]