20510974512

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{947}}^1\times {\mathrm{21487}}^1$

素因数の和:22455

約数の個数: 120

約数和(自身を含む): 65674891776

約数和(自身を除く): 45163917264

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 947, 1008, 1894, 2841, 3788, 5682, 6629, 7576, 8523, 11364, 13258, 15152, 17046, 19887, 21487, 22728, 26516, 34092, 39774, 42974, 45456, 53032, 59661, 64461, 68184, 79548, 85948, 106064, 119322, 128922, 136368, 150409, 159096, 171896, 193383, 238644, 257844, 300818, 318192, 343792, 386766, 451227, 477288, 515688, 601636, 773532, 902454, 954576, 1031376, 1203272, 1353681, 1547064, 1804908, 2406544, 2707362, 3094128, 3609816, 5414724, 7219632, 10829448, 20348189, 21658896, 40696378, 61044567, 81392756, 122089134, 142437323, 162785512, 183133701, 244178268, 284874646, 325571024, 366267402, 427311969, 488356536, 569749292, 732534804, 854623938, 976713072, 1139498584, 1281935907, 1465069608, 1709247876, 2278997168, 2563871814, 2930139216, 3418495752, 5127743628, 6836991504, 10255487256, 20510974512]

約数ペア:

[(1, 20510974512), (2, 10255487256), (3, 6836991504), (4, 5127743628), (6, 3418495752), (7, 2930139216), (8, 2563871814), (9, 2278997168), (12, 1709247876), (14, 1465069608), (16, 1281935907), (18, 1139498584), (21, 976713072), (24, 854623938), (28, 732534804), (36, 569749292), (42, 488356536), (48, 427311969), (56, 366267402), (63, 325571024), (72, 284874646), (84, 244178268), (112, 183133701), (126, 162785512), (144, 142437323), (168, 122089134), (252, 81392756), (336, 61044567), (504, 40696378), (947, 21658896), (1008, 20348189), (1894, 10829448), (2841, 7219632), (3788, 5414724), (5682, 3609816), (6629, 3094128), (7576, 2707362), (8523, 2406544), (11364, 1804908), (13258, 1547064), (15152, 1353681), (17046, 1203272), (19887, 1031376), (21487, 954576), (22728, 902454), (26516, 773532), (34092, 601636), (39774, 515688), (42974, 477288), (45456, 451227), (53032, 386766), (59661, 343792), (64461, 318192), (68184, 300818), (79548, 257844), (85948, 238644), (106064, 193383), (119322, 171896), (128922, 159096), (136368, 150409)]