20785893296

素因数分解:

$2^4\times 7^3\times {\mathrm{19}}^1\times {\mathrm{199343}}^1$

素因数の和:199391

約数の個数: 80

約数和(自身を含む): 49437312000

約数和(自身を除く): 28651418704

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 49, 56, 76, 98, 112, 133, 152, 196, 266, 304, 343, 392, 532, 686, 784, 931, 1064, 1372, 1862, 2128, 2744, 3724, 5488, 6517, 7448, 13034, 14896, 26068, 52136, 104272, 199343, 398686, 797372, 1395401, 1594744, 2790802, 3189488, 3787517, 5581604, 7575034, 9767807, 11163208, 15150068, 19535614, 22326416, 26512619, 30300136, 39071228, 53025238, 60600272, 68374649, 78142456, 106050476, 136749298, 156284912, 185588333, 212100952, 273498596, 371176666, 424201904, 546997192, 742353332, 1093994384, 1299118331, 1484706664, 2598236662, 2969413328, 5196473324, 10392946648, 20785893296]

約数ペア:

[(1, 20785893296), (2, 10392946648), (4, 5196473324), (7, 2969413328), (8, 2598236662), (14, 1484706664), (16, 1299118331), (19, 1093994384), (28, 742353332), (38, 546997192), (49, 424201904), (56, 371176666), (76, 273498596), (98, 212100952), (112, 185588333), (133, 156284912), (152, 136749298), (196, 106050476), (266, 78142456), (304, 68374649), (343, 60600272), (392, 53025238), (532, 39071228), (686, 30300136), (784, 26512619), (931, 22326416), (1064, 19535614), (1372, 15150068), (1862, 11163208), (2128, 9767807), (2744, 7575034), (3724, 5581604), (5488, 3787517), (6517, 3189488), (7448, 2790802), (13034, 1594744), (14896, 1395401), (26068, 797372), (52136, 398686), (104272, 199343)]