20854513872

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{4993897}}^1$

素因数の和:4993940

約数の個数: 60

約数和(自身を含む): 60376226820

約数和(自身を除く): 39521712948

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 36, 48, 58, 72, 87, 116, 144, 174, 232, 261, 348, 464, 522, 696, 1044, 1392, 2088, 4176, 4993897, 9987794, 14981691, 19975588, 29963382, 39951176, 44945073, 59926764, 79902352, 89890146, 119853528, 144823013, 179780292, 239707056, 289646026, 359560584, 434469039, 579292052, 719121168, 868938078, 1158584104, 1303407117, 1737876156, 2317168208, 2606814234, 3475752312, 5213628468, 6951504624, 10427256936, 20854513872]

約数ペア:

[(1, 20854513872), (2, 10427256936), (3, 6951504624), (4, 5213628468), (6, 3475752312), (8, 2606814234), (9, 2317168208), (12, 1737876156), (16, 1303407117), (18, 1158584104), (24, 868938078), (29, 719121168), (36, 579292052), (48, 434469039), (58, 359560584), (72, 289646026), (87, 239707056), (116, 179780292), (144, 144823013), (174, 119853528), (232, 89890146), (261, 79902352), (348, 59926764), (464, 44945073), (522, 39951176), (696, 29963382), (1044, 19975588), (1392, 14981691), (2088, 9987794), (4176, 4993897)]