20282465664

素因数分解:

$2^7\times 3^3\times {\mathrm{43}}^1\times {\mathrm{136483}}^1$

素因数の和:136549

約数の個数: 128

約数和(自身を含む): 61254019200

約数和(自身を除く): 40971553536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 43, 48, 54, 64, 72, 86, 96, 108, 128, 129, 144, 172, 192, 216, 258, 288, 344, 384, 387, 432, 516, 576, 688, 774, 864, 1032, 1152, 1161, 1376, 1548, 1728, 2064, 2322, 2752, 3096, 3456, 4128, 4644, 5504, 6192, 8256, 9288, 12384, 16512, 18576, 24768, 37152, 49536, 74304, 136483, 148608, 272966, 409449, 545932, 818898, 1091864, 1228347, 1637796, 2183728, 2456694, 3275592, 3685041, 4367456, 4913388, 5868769, 6551184, 7370082, 8734912, 9826776, 11737538, 13102368, 14740164, 17469824, 17606307, 19653552, 23475076, 26204736, 29480328, 35212614, 39307104, 46950152, 52409472, 52818921, 58960656, 70425228, 78614208, 93900304, 105637842, 117921312, 140850456, 157228416, 158456763, 187800608, 211275684, 235842624, 281700912, 316913526, 375601216, 422551368, 471685248, 563401824, 633827052, 751202432, 845102736, 1126803648, 1267654104, 1690205472, 2253607296, 2535308208, 3380410944, 5070616416, 6760821888, 10141232832, 20282465664]

約数ペア:

[(1, 20282465664), (2, 10141232832), (3, 6760821888), (4, 5070616416), (6, 3380410944), (8, 2535308208), (9, 2253607296), (12, 1690205472), (16, 1267654104), (18, 1126803648), (24, 845102736), (27, 751202432), (32, 633827052), (36, 563401824), (43, 471685248), (48, 422551368), (54, 375601216), (64, 316913526), (72, 281700912), (86, 235842624), (96, 211275684), (108, 187800608), (128, 158456763), (129, 157228416), (144, 140850456), (172, 117921312), (192, 105637842), (216, 93900304), (258, 78614208), (288, 70425228), (344, 58960656), (384, 52818921), (387, 52409472), (432, 46950152), (516, 39307104), (576, 35212614), (688, 29480328), (774, 26204736), (864, 23475076), (1032, 19653552), (1152, 17606307), (1161, 17469824), (1376, 14740164), (1548, 13102368), (1728, 11737538), (2064, 9826776), (2322, 8734912), (2752, 7370082), (3096, 6551184), (3456, 5868769), (4128, 4913388), (4644, 4367456), (5504, 3685041), (6192, 3275592), (8256, 2456694), (9288, 2183728), (12384, 1637796), (16512, 1228347), (18576, 1091864), (24768, 818898), (37152, 545932), (49536, 409449), (74304, 272966), (136483, 148608)]