20120040108

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{821}}^1\times {\mathrm{1231}}^1$

素因数の和:2148

約数の個数: 144

約数和(自身を含む): 58979880960

約数和(自身を除く): 38859840852

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 79, 84, 126, 158, 237, 252, 316, 474, 553, 711, 821, 948, 1106, 1231, 1422, 1642, 1659, 2212, 2462, 2463, 2844, 3284, 3318, 3693, 4924, 4926, 4977, 5747, 6636, 7386, 7389, 8617, 9852, 9954, 11079, 11494, 14772, 14778, 17234, 17241, 19908, 22158, 22988, 25851, 29556, 34468, 34482, 44316, 51702, 51723, 64859, 68964, 77553, 97249, 103404, 103446, 129718, 155106, 194498, 194577, 206892, 259436, 291747, 310212, 388996, 389154, 454013, 583494, 583731, 680743, 778308, 875241, 908026, 1010651, 1166988, 1167462, 1361486, 1362039, 1750482, 1816052, 2021302, 2042229, 2334924, 2722972, 2724078, 3031953, 3500964, 4042604, 4084458, 4086117, 5448156, 6063906, 6126687, 7074557, 8168916, 8172234, 9095859, 12127812, 12253374, 14149114, 16344468, 18191718, 21223671, 24506748, 28298228, 36383436, 42447342, 63671013, 79841429, 84894684, 127342026, 159682858, 239524287, 254684052, 319365716, 479048574, 558890003, 718572861, 958097148, 1117780006, 1437145722, 1676670009, 2235560012, 2874291444, 3353340018, 5030010027, 6706680036, 10060020054, 20120040108]

約数ペア:

[(1, 20120040108), (2, 10060020054), (3, 6706680036), (4, 5030010027), (6, 3353340018), (7, 2874291444), (9, 2235560012), (12, 1676670009), (14, 1437145722), (18, 1117780006), (21, 958097148), (28, 718572861), (36, 558890003), (42, 479048574), (63, 319365716), (79, 254684052), (84, 239524287), (126, 159682858), (158, 127342026), (237, 84894684), (252, 79841429), (316, 63671013), (474, 42447342), (553, 36383436), (711, 28298228), (821, 24506748), (948, 21223671), (1106, 18191718), (1231, 16344468), (1422, 14149114), (1642, 12253374), (1659, 12127812), (2212, 9095859), (2462, 8172234), (2463, 8168916), (2844, 7074557), (3284, 6126687), (3318, 6063906), (3693, 5448156), (4924, 4086117), (4926, 4084458), (4977, 4042604), (5747, 3500964), (6636, 3031953), (7386, 2724078), (7389, 2722972), (8617, 2334924), (9852, 2042229), (9954, 2021302), (11079, 1816052), (11494, 1750482), (14772, 1362039), (14778, 1361486), (17234, 1167462), (17241, 1166988), (19908, 1010651), (22158, 908026), (22988, 875241), (25851, 778308), (29556, 680743), (34468, 583731), (34482, 583494), (44316, 454013), (51702, 389154), (51723, 388996), (64859, 310212), (68964, 291747), (77553, 259436), (97249, 206892), (103404, 194577), (103446, 194498), (129718, 155106)]