20457157968

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{6619}}^1$

素因数の和:6786

約数の個数: 180

約数和(自身を含む): 62491952640

約数和(自身を除く): 42034794672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 127, 144, 156, 169, 208, 234, 254, 312, 338, 381, 468, 507, 508, 624, 676, 762, 936, 1014, 1016, 1143, 1352, 1521, 1524, 1651, 1872, 2028, 2032, 2286, 2704, 3042, 3048, 3302, 4056, 4572, 4953, 6084, 6096, 6604, 6619, 8112, 9144, 9906, 12168, 13208, 13238, 14859, 18288, 19812, 19857, 21463, 24336, 26416, 26476, 29718, 39624, 39714, 42926, 52952, 59436, 59571, 64389, 79248, 79428, 85852, 86047, 105904, 118872, 119142, 128778, 158856, 171704, 172094, 193167, 237744, 238284, 257556, 258141, 317712, 343408, 344188, 386334, 476568, 515112, 516282, 688376, 772668, 774423, 840613, 953136, 1030224, 1032564, 1118611, 1376752, 1545336, 1548846, 1681226, 2065128, 2237222, 2521839, 3090672, 3097692, 3355833, 3362452, 4130256, 4474444, 5043678, 6195384, 6711666, 6724904, 7565517, 8948888, 10067499, 10087356, 10927969, 12390768, 13423332, 13449808, 15131034, 17897776, 20134998, 20174712, 21855938, 26846664, 30262068, 32783907, 40269996, 40349424, 43711876, 53693328, 60524136, 65567814, 80539992, 87423752, 98351721, 121048272, 131135628, 142063597, 161079984, 174847504, 196703442, 262271256, 284127194, 393406884, 426190791, 524542512, 568254388, 786813768, 852381582, 1136508776, 1278572373, 1573627536, 1704763164, 2273017552, 2557144746, 3409526328, 5114289492, 6819052656, 10228578984, 20457157968]

約数ペア:

[(1, 20457157968), (2, 10228578984), (3, 6819052656), (4, 5114289492), (6, 3409526328), (8, 2557144746), (9, 2273017552), (12, 1704763164), (13, 1573627536), (16, 1278572373), (18, 1136508776), (24, 852381582), (26, 786813768), (36, 568254388), (39, 524542512), (48, 426190791), (52, 393406884), (72, 284127194), (78, 262271256), (104, 196703442), (117, 174847504), (127, 161079984), (144, 142063597), (156, 131135628), (169, 121048272), (208, 98351721), (234, 87423752), (254, 80539992), (312, 65567814), (338, 60524136), (381, 53693328), (468, 43711876), (507, 40349424), (508, 40269996), (624, 32783907), (676, 30262068), (762, 26846664), (936, 21855938), (1014, 20174712), (1016, 20134998), (1143, 17897776), (1352, 15131034), (1521, 13449808), (1524, 13423332), (1651, 12390768), (1872, 10927969), (2028, 10087356), (2032, 10067499), (2286, 8948888), (2704, 7565517), (3042, 6724904), (3048, 6711666), (3302, 6195384), (4056, 5043678), (4572, 4474444), (4953, 4130256), (6084, 3362452), (6096, 3355833), (6604, 3097692), (6619, 3090672), (8112, 2521839), (9144, 2237222), (9906, 2065128), (12168, 1681226), (13208, 1548846), (13238, 1545336), (14859, 1376752), (18288, 1118611), (19812, 1032564), (19857, 1030224), (21463, 953136), (24336, 840613), (26416, 774423), (26476, 772668), (29718, 688376), (39624, 516282), (39714, 515112), (42926, 476568), (52952, 386334), (59436, 344188), (59571, 343408), (64389, 317712), (79248, 258141), (79428, 257556), (85852, 238284), (86047, 237744), (105904, 193167), (118872, 172094), (119142, 171704), (128778, 158856)]