20565103888

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{71363}}^1$

素因数の和:71492

約数の個数: 80

約数和(自身を含む): 47572955136

約数和(自身を除く): 27007851248

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 83, 112, 124, 166, 217, 248, 332, 434, 496, 581, 664, 868, 1162, 1328, 1736, 2324, 2573, 3472, 4648, 5146, 9296, 10292, 18011, 20584, 36022, 41168, 71363, 72044, 142726, 144088, 285452, 288176, 499541, 570904, 999082, 1141808, 1998164, 2212253, 3996328, 4424506, 5923129, 7992656, 8849012, 11846258, 15485771, 17698024, 23692516, 30971542, 35396048, 41461903, 47385032, 61943084, 82923806, 94770064, 123886168, 165847612, 183616999, 247772336, 331695224, 367233998, 663390448, 734467996, 1285318993, 1468935992, 2570637986, 2937871984, 5141275972, 10282551944, 20565103888]

約数ペア:

[(1, 20565103888), (2, 10282551944), (4, 5141275972), (7, 2937871984), (8, 2570637986), (14, 1468935992), (16, 1285318993), (28, 734467996), (31, 663390448), (56, 367233998), (62, 331695224), (83, 247772336), (112, 183616999), (124, 165847612), (166, 123886168), (217, 94770064), (248, 82923806), (332, 61943084), (434, 47385032), (496, 41461903), (581, 35396048), (664, 30971542), (868, 23692516), (1162, 17698024), (1328, 15485771), (1736, 11846258), (2324, 8849012), (2573, 7992656), (3472, 5923129), (4648, 4424506), (5146, 3996328), (9296, 2212253), (10292, 1998164), (18011, 1141808), (20584, 999082), (36022, 570904), (41168, 499541), (71363, 288176), (72044, 285452), (142726, 144088)]