20233404772

素因数分解:

$2^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{21701}}^1$

素因数の和:21857

約数の個数: 72

約数和(自身を含む): 42394943808

約数和(自身を除く): 22161539036

約数列:

[1, 2, 4, 7, 14, 28, 49, 67, 71, 98, 134, 142, 196, 268, 284, 469, 497, 938, 994, 1876, 1988, 3283, 3479, 4757, 6566, 6958, 9514, 13132, 13916, 19028, 21701, 33299, 43402, 66598, 86804, 133196, 151907, 233093, 303814, 466186, 607628, 932372, 1063349, 1453967, 1540771, 2126698, 2907934, 3081542, 4253396, 5815868, 6163084, 10177769, 10785397, 20355538, 21570794, 40711076, 43141588, 71244383, 75497779, 103231657, 142488766, 150995558, 206463314, 284977532, 301991116, 412926628, 722621599, 1445243198, 2890486396, 5058351193, 10116702386, 20233404772]

約数ペア:

[(1, 20233404772), (2, 10116702386), (4, 5058351193), (7, 2890486396), (14, 1445243198), (28, 722621599), (49, 412926628), (67, 301991116), (71, 284977532), (98, 206463314), (134, 150995558), (142, 142488766), (196, 103231657), (268, 75497779), (284, 71244383), (469, 43141588), (497, 40711076), (938, 21570794), (994, 20355538), (1876, 10785397), (1988, 10177769), (3283, 6163084), (3479, 5815868), (4757, 4253396), (6566, 3081542), (6958, 2907934), (9514, 2126698), (13132, 1540771), (13916, 1453967), (19028, 1063349), (21701, 932372), (33299, 607628), (43402, 466186), (66598, 303814), (86804, 233093), (133196, 151907)]