20184498540

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{73}}^1\times {\mathrm{56893}}^1$

素因数の和:56990

約数の個数: 144

約数和(自身を含む): 64364864928

約数和(自身を除く): 44180366388

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 73, 81, 90, 108, 135, 146, 162, 180, 219, 243, 270, 292, 324, 365, 405, 438, 486, 540, 657, 730, 810, 876, 972, 1095, 1215, 1314, 1460, 1620, 1971, 2190, 2430, 2628, 3285, 3942, 4380, 4860, 5913, 6570, 7884, 9855, 11826, 13140, 17739, 19710, 23652, 29565, 35478, 39420, 56893, 59130, 70956, 88695, 113786, 118260, 170679, 177390, 227572, 284465, 341358, 354780, 512037, 568930, 682716, 853395, 1024074, 1137860, 1536111, 1706790, 2048148, 2560185, 3072222, 3413580, 4153189, 4608333, 5120370, 6144444, 7680555, 8306378, 9216666, 10240740, 12459567, 13824999, 15361110, 16612756, 18433332, 20765945, 23041665, 24919134, 27649998, 30722220, 37378701, 41531890, 46083330, 49838268, 55299996, 62297835, 69124995, 74757402, 83063780, 92166660, 112136103, 124595670, 138249990, 149514804, 186893505, 224272206, 249191340, 276499980, 336408309, 373787010, 448544412, 560680515, 672816618, 747574020, 1009224927, 1121361030, 1345633236, 1682041545, 2018449854, 2242722060, 3364083090, 4036899708, 5046124635, 6728166180, 10092249270, 20184498540]

約数ペア:

[(1, 20184498540), (2, 10092249270), (3, 6728166180), (4, 5046124635), (5, 4036899708), (6, 3364083090), (9, 2242722060), (10, 2018449854), (12, 1682041545), (15, 1345633236), (18, 1121361030), (20, 1009224927), (27, 747574020), (30, 672816618), (36, 560680515), (45, 448544412), (54, 373787010), (60, 336408309), (73, 276499980), (81, 249191340), (90, 224272206), (108, 186893505), (135, 149514804), (146, 138249990), (162, 124595670), (180, 112136103), (219, 92166660), (243, 83063780), (270, 74757402), (292, 69124995), (324, 62297835), (365, 55299996), (405, 49838268), (438, 46083330), (486, 41531890), (540, 37378701), (657, 30722220), (730, 27649998), (810, 24919134), (876, 23041665), (972, 20765945), (1095, 18433332), (1215, 16612756), (1314, 15361110), (1460, 13824999), (1620, 12459567), (1971, 10240740), (2190, 9216666), (2430, 8306378), (2628, 7680555), (3285, 6144444), (3942, 5120370), (4380, 4608333), (4860, 4153189), (5913, 3413580), (6570, 3072222), (7884, 2560185), (9855, 2048148), (11826, 1706790), (13140, 1536111), (17739, 1137860), (19710, 1024074), (23652, 853395), (29565, 682716), (35478, 568930), (39420, 512037), (56893, 354780), (59130, 341358), (70956, 284465), (88695, 227572), (113786, 177390), (118260, 170679)]