20155606536

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^2\times {\mathrm{5171}}^1$

素因数の和:5268

約数の個数: 144

約数和(自身を含む): 56391040080

約数和(自身を除く): 36235433544

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 93, 104, 124, 156, 169, 186, 248, 312, 338, 372, 403, 507, 676, 744, 806, 961, 1014, 1209, 1352, 1612, 1922, 2028, 2418, 2883, 3224, 3844, 4056, 4836, 5171, 5239, 5766, 7688, 9672, 10342, 10478, 11532, 12493, 15513, 15717, 20684, 20956, 23064, 24986, 31026, 31434, 37479, 41368, 41912, 49972, 62052, 62868, 67223, 74958, 99944, 124104, 125736, 134446, 149916, 160301, 162409, 201669, 268892, 299832, 320602, 324818, 403338, 480903, 487227, 537784, 641204, 649636, 806676, 873899, 961806, 974454, 1282408, 1299272, 1613352, 1747798, 1923612, 1948908, 2083913, 2621697, 3495596, 3847224, 3897816, 4167826, 4969331, 5243394, 6251739, 6991192, 8335652, 9938662, 10486788, 12503478, 14907993, 16671304, 19877324, 20973576, 25006956, 27090869, 29815986, 39754648, 50013912, 54181738, 59631972, 64601303, 81272607, 108363476, 119263944, 129202606, 162545214, 193803909, 216726952, 258405212, 325090428, 387607818, 516810424, 650180856, 775215636, 839816939, 1550431272, 1679633878, 2519450817, 3359267756, 5038901634, 6718535512, 10077803268, 20155606536]

約数ペア:

[(1, 20155606536), (2, 10077803268), (3, 6718535512), (4, 5038901634), (6, 3359267756), (8, 2519450817), (12, 1679633878), (13, 1550431272), (24, 839816939), (26, 775215636), (31, 650180856), (39, 516810424), (52, 387607818), (62, 325090428), (78, 258405212), (93, 216726952), (104, 193803909), (124, 162545214), (156, 129202606), (169, 119263944), (186, 108363476), (248, 81272607), (312, 64601303), (338, 59631972), (372, 54181738), (403, 50013912), (507, 39754648), (676, 29815986), (744, 27090869), (806, 25006956), (961, 20973576), (1014, 19877324), (1209, 16671304), (1352, 14907993), (1612, 12503478), (1922, 10486788), (2028, 9938662), (2418, 8335652), (2883, 6991192), (3224, 6251739), (3844, 5243394), (4056, 4969331), (4836, 4167826), (5171, 3897816), (5239, 3847224), (5766, 3495596), (7688, 2621697), (9672, 2083913), (10342, 1948908), (10478, 1923612), (11532, 1747798), (12493, 1613352), (15513, 1299272), (15717, 1282408), (20684, 974454), (20956, 961806), (23064, 873899), (24986, 806676), (31026, 649636), (31434, 641204), (37479, 537784), (41368, 487227), (41912, 480903), (49972, 403338), (62052, 324818), (62868, 320602), (67223, 299832), (74958, 268892), (99944, 201669), (124104, 162409), (125736, 160301), (134446, 149916)]