20777349568

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{61}}^2\times {\mathrm{2029}}^1$

素因数の和:2206

約数の個数: 84

約数和(自身を含む): 42912990120

約数和(自身を除く): 22135640552

約数列:

[1, 2, 4, 8, 16, 32, 43, 61, 64, 86, 122, 172, 244, 344, 488, 688, 976, 1376, 1952, 2029, 2623, 2752, 3721, 3904, 4058, 5246, 7442, 8116, 10492, 14884, 16232, 20984, 29768, 32464, 41968, 59536, 64928, 83936, 87247, 119072, 123769, 129856, 160003, 167872, 174494, 238144, 247538, 320006, 348988, 495076, 640012, 697976, 990152, 1280024, 1395952, 1980304, 2560048, 2791904, 3960608, 5120096, 5322067, 5583808, 7549909, 7921216, 10240192, 10644134, 15099818, 21288268, 30199636, 42576536, 60399272, 85153072, 120798544, 170306144, 241597088, 324646087, 340612288, 483194176, 649292174, 1298584348, 2597168696, 5194337392, 10388674784, 20777349568]

約数ペア:

[(1, 20777349568), (2, 10388674784), (4, 5194337392), (8, 2597168696), (16, 1298584348), (32, 649292174), (43, 483194176), (61, 340612288), (64, 324646087), (86, 241597088), (122, 170306144), (172, 120798544), (244, 85153072), (344, 60399272), (488, 42576536), (688, 30199636), (976, 21288268), (1376, 15099818), (1952, 10644134), (2029, 10240192), (2623, 7921216), (2752, 7549909), (3721, 5583808), (3904, 5322067), (4058, 5120096), (5246, 3960608), (7442, 2791904), (8116, 2560048), (10492, 1980304), (14884, 1395952), (16232, 1280024), (20984, 990152), (29768, 697976), (32464, 640012), (41968, 495076), (59536, 348988), (64928, 320006), (83936, 247538), (87247, 238144), (119072, 174494), (123769, 167872), (129856, 160003)]