20881745136

素因数分解:

$2^4\times 3^3\times 7^2\times {\mathrm{986477}}^1$

素因数の和:986508

約数の個数: 120

約数和(自身を含む): 69724265040

約数和(自身を除く): 48842519904

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 49, 54, 56, 63, 72, 84, 98, 108, 112, 126, 144, 147, 168, 189, 196, 216, 252, 294, 336, 378, 392, 432, 441, 504, 588, 756, 784, 882, 1008, 1176, 1323, 1512, 1764, 2352, 2646, 3024, 3528, 5292, 7056, 10584, 21168, 986477, 1972954, 2959431, 3945908, 5918862, 6905339, 7891816, 8878293, 11837724, 13810678, 15783632, 17756586, 20716017, 23675448, 26634879, 27621356, 35513172, 41432034, 47350896, 48337373, 53269758, 55242712, 62148051, 71026344, 82864068, 96674746, 106539516, 110485424, 124296102, 142052688, 145012119, 165728136, 186444153, 193349492, 213079032, 248592204, 290024238, 331456272, 372888306, 386698984, 426158064, 435036357, 497184408, 580048476, 745776612, 773397968, 870072714, 994368816, 1160096952, 1305109071, 1491553224, 1740145428, 2320193904, 2610218142, 2983106448, 3480290856, 5220436284, 6960581712, 10440872568, 20881745136]

約数ペア:

[(1, 20881745136), (2, 10440872568), (3, 6960581712), (4, 5220436284), (6, 3480290856), (7, 2983106448), (8, 2610218142), (9, 2320193904), (12, 1740145428), (14, 1491553224), (16, 1305109071), (18, 1160096952), (21, 994368816), (24, 870072714), (27, 773397968), (28, 745776612), (36, 580048476), (42, 497184408), (48, 435036357), (49, 426158064), (54, 386698984), (56, 372888306), (63, 331456272), (72, 290024238), (84, 248592204), (98, 213079032), (108, 193349492), (112, 186444153), (126, 165728136), (144, 145012119), (147, 142052688), (168, 124296102), (189, 110485424), (196, 106539516), (216, 96674746), (252, 82864068), (294, 71026344), (336, 62148051), (378, 55242712), (392, 53269758), (432, 48337373), (441, 47350896), (504, 41432034), (588, 35513172), (756, 27621356), (784, 26634879), (882, 23675448), (1008, 20716017), (1176, 17756586), (1323, 15783632), (1512, 13810678), (1764, 11837724), (2352, 8878293), (2646, 7891816), (3024, 6905339), (3528, 5918862), (5292, 3945908), (7056, 2959431), (10584, 1972954), (21168, 986477)]