20120216508

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{649123}}^1$

素因数の和:649184

約数の個数: 96

約数和(自身を含む): 61069585920

約数和(自身を除く): 40949369412

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 41, 42, 54, 63, 82, 84, 108, 123, 126, 164, 189, 246, 252, 287, 369, 378, 492, 574, 738, 756, 861, 1107, 1148, 1476, 1722, 2214, 2583, 3444, 4428, 5166, 7749, 10332, 15498, 30996, 649123, 1298246, 1947369, 2596492, 3894738, 4543861, 5842107, 7789476, 9087722, 11684214, 13631583, 17526321, 18175444, 23368428, 26614043, 27263166, 35052642, 40894749, 53228086, 54526332, 70105284, 79842129, 81789498, 106456172, 122684247, 159684258, 163578996, 186298301, 239526387, 245368494, 319368516, 372596602, 479052774, 490736988, 558894903, 718579161, 745193204, 958105548, 1117789806, 1437158322, 1676684709, 2235579612, 2874316644, 3353369418, 5030054127, 6706738836, 10060108254, 20120216508]

約数ペア:

[(1, 20120216508), (2, 10060108254), (3, 6706738836), (4, 5030054127), (6, 3353369418), (7, 2874316644), (9, 2235579612), (12, 1676684709), (14, 1437158322), (18, 1117789806), (21, 958105548), (27, 745193204), (28, 718579161), (36, 558894903), (41, 490736988), (42, 479052774), (54, 372596602), (63, 319368516), (82, 245368494), (84, 239526387), (108, 186298301), (123, 163578996), (126, 159684258), (164, 122684247), (189, 106456172), (246, 81789498), (252, 79842129), (287, 70105284), (369, 54526332), (378, 53228086), (492, 40894749), (574, 35052642), (738, 27263166), (756, 26614043), (861, 23368428), (1107, 18175444), (1148, 17526321), (1476, 13631583), (1722, 11684214), (2214, 9087722), (2583, 7789476), (3444, 5842107), (4428, 4543861), (5166, 3894738), (7749, 2596492), (10332, 1947369), (15498, 1298246), (30996, 649123)]