20056165922

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:277

約数の個数: 144

約数和(自身を含む): 36890691840

約数和(自身を除く): 16834525918

約数列:

[1, 2, 13, 17, 23, 26, 34, 46, 79, 113, 158, 169, 221, 226, 289, 299, 338, 391, 442, 578, 598, 782, 1027, 1343, 1469, 1817, 1921, 2054, 2599, 2686, 2873, 2938, 3634, 3757, 3842, 3887, 5083, 5198, 5746, 6647, 7514, 7774, 8927, 10166, 13294, 13351, 17459, 17854, 19097, 22831, 23621, 24973, 26702, 30889, 32657, 33787, 34918, 38194, 44183, 45662, 47242, 48841, 49946, 61778, 65314, 66079, 67574, 86411, 88366, 97682, 116051, 132158, 151759, 172822, 205321, 226967, 232102, 296803, 303518, 307073, 324649, 401557, 410642, 424541, 439231, 453934, 525113, 574379, 593606, 614146, 649298, 751111, 803114, 849082, 878462, 1050226, 1123343, 1148758, 1502222, 1508663, 1972867, 2246686, 2579903, 2669173, 3017326, 3490457, 3858439, 3945734, 5159806, 5220241, 5338346, 5519033, 6826469, 6980914, 7466927, 7716878, 9764443, 10440482, 11038066, 13652938, 14933854, 19528886, 25647271, 33538739, 34699249, 45375941, 51294542, 59337769, 67077478, 69398498, 88744097, 90751882, 118675538, 126937759, 177488194, 253875518, 436003607, 589887233, 771390997, 872007214, 1179774466, 1542781994, 10028082961, 20056165922]

約数ペア:

[(1, 20056165922), (2, 10028082961), (13, 1542781994), (17, 1179774466), (23, 872007214), (26, 771390997), (34, 589887233), (46, 436003607), (79, 253875518), (113, 177488194), (158, 126937759), (169, 118675538), (221, 90751882), (226, 88744097), (289, 69398498), (299, 67077478), (338, 59337769), (391, 51294542), (442, 45375941), (578, 34699249), (598, 33538739), (782, 25647271), (1027, 19528886), (1343, 14933854), (1469, 13652938), (1817, 11038066), (1921, 10440482), (2054, 9764443), (2599, 7716878), (2686, 7466927), (2873, 6980914), (2938, 6826469), (3634, 5519033), (3757, 5338346), (3842, 5220241), (3887, 5159806), (5083, 3945734), (5198, 3858439), (5746, 3490457), (6647, 3017326), (7514, 2669173), (7774, 2579903), (8927, 2246686), (10166, 1972867), (13294, 1508663), (13351, 1502222), (17459, 1148758), (17854, 1123343), (19097, 1050226), (22831, 878462), (23621, 849082), (24973, 803114), (26702, 751111), (30889, 649298), (32657, 614146), (33787, 593606), (34918, 574379), (38194, 525113), (44183, 453934), (45662, 439231), (47242, 424541), (48841, 410642), (49946, 401557), (61778, 324649), (65314, 307073), (66079, 303518), (67574, 296803), (86411, 232102), (88366, 226967), (97682, 205321), (116051, 172822), (132158, 151759)]