20484931440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2753351}}^1$

素因数の和:2753398

約数の個数: 80

約数和(自身を含む): 65551804416

約数和(自身を除く): 45066872976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 2753351, 5506702, 8260053, 11013404, 13766755, 16520106, 22026808, 27533510, 33040212, 41300265, 44053616, 55067020, 66080424, 82600530, 85353881, 110134040, 132160848, 165201060, 170707762, 220268080, 256061643, 330402120, 341415524, 426769405, 512123286, 660804240, 682831048, 853538810, 1024246572, 1280308215, 1365662096, 1707077620, 2048493144, 2560616430, 3414155240, 4096986288, 5121232860, 6828310480, 10242465720, 20484931440]

約数ペア:

[(1, 20484931440), (2, 10242465720), (3, 6828310480), (4, 5121232860), (5, 4096986288), (6, 3414155240), (8, 2560616430), (10, 2048493144), (12, 1707077620), (15, 1365662096), (16, 1280308215), (20, 1024246572), (24, 853538810), (30, 682831048), (31, 660804240), (40, 512123286), (48, 426769405), (60, 341415524), (62, 330402120), (80, 256061643), (93, 220268080), (120, 170707762), (124, 165201060), (155, 132160848), (186, 110134040), (240, 85353881), (248, 82600530), (310, 66080424), (372, 55067020), (465, 44053616), (496, 41300265), (620, 33040212), (744, 27533510), (930, 22026808), (1240, 16520106), (1488, 13766755), (1860, 11013404), (2480, 8260053), (3720, 5506702), (7440, 2753351)]