20686714356

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{86441}}^1$

素因数の和:86510

約数の個数: 144

約数和(自身を含む): 62910412992

約数和(自身を除く): 42223698636

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 37, 42, 44, 49, 66, 74, 77, 84, 98, 111, 132, 147, 148, 154, 196, 222, 231, 259, 294, 308, 407, 444, 462, 518, 539, 588, 777, 814, 924, 1036, 1078, 1221, 1554, 1617, 1628, 1813, 2156, 2442, 2849, 3108, 3234, 3626, 4884, 5439, 5698, 6468, 7252, 8547, 10878, 11396, 17094, 19943, 21756, 34188, 39886, 59829, 79772, 86441, 119658, 172882, 239316, 259323, 345764, 518646, 605087, 950851, 1037292, 1210174, 1815261, 1901702, 2420348, 2852553, 3198317, 3630522, 3803404, 4235609, 5705106, 6396634, 6655957, 7261044, 8471218, 9594951, 11410212, 12706827, 12793268, 13311914, 16942436, 19189902, 19967871, 22388219, 25413654, 26623828, 35181487, 38379804, 39935742, 44776438, 46591699, 50827308, 67164657, 70362974, 79871484, 89552876, 93183398, 105544461, 134329314, 139775097, 140725948, 156717533, 186366796, 211088922, 246270409, 268658628, 279550194, 313435066, 422177844, 470152599, 492540818, 559100388, 626870132, 738811227, 940305198, 985081636, 1477622454, 1723892863, 1880610396, 2955244908, 3447785726, 5171678589, 6895571452, 10343357178, 20686714356]

約数ペア:

[(1, 20686714356), (2, 10343357178), (3, 6895571452), (4, 5171678589), (6, 3447785726), (7, 2955244908), (11, 1880610396), (12, 1723892863), (14, 1477622454), (21, 985081636), (22, 940305198), (28, 738811227), (33, 626870132), (37, 559100388), (42, 492540818), (44, 470152599), (49, 422177844), (66, 313435066), (74, 279550194), (77, 268658628), (84, 246270409), (98, 211088922), (111, 186366796), (132, 156717533), (147, 140725948), (148, 139775097), (154, 134329314), (196, 105544461), (222, 93183398), (231, 89552876), (259, 79871484), (294, 70362974), (308, 67164657), (407, 50827308), (444, 46591699), (462, 44776438), (518, 39935742), (539, 38379804), (588, 35181487), (777, 26623828), (814, 25413654), (924, 22388219), (1036, 19967871), (1078, 19189902), (1221, 16942436), (1554, 13311914), (1617, 12793268), (1628, 12706827), (1813, 11410212), (2156, 9594951), (2442, 8471218), (2849, 7261044), (3108, 6655957), (3234, 6396634), (3626, 5705106), (4884, 4235609), (5439, 3803404), (5698, 3630522), (6468, 3198317), (7252, 2852553), (8547, 2420348), (10878, 1901702), (11396, 1815261), (17094, 1210174), (19943, 1037292), (21756, 950851), (34188, 605087), (39886, 518646), (59829, 345764), (79772, 259323), (86441, 239316), (119658, 172882)]