20516723280

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{1055387}}^1$

素因数の和:1055415

約数の個数: 120

約数和(自身を含む): 71453989152

約数和(自身を除く): 50937265872

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 1080, 1215, 1296, 1620, 1944, 2160, 2430, 3240, 3888, 4860, 6480, 9720, 19440, 1055387, 2110774, 3166161, 4221548, 5276935, 6332322, 8443096, 9498483, 10553870, 12664644, 15830805, 16886192, 18996966, 21107740, 25329288, 28495449, 31661610, 37993932, 42215480, 47492415, 50658576, 56990898, 63323220, 75987864, 84430960, 85486347, 94984830, 113981796, 126646440, 142477245, 151975728, 170972694, 189969660, 227963592, 253292880, 256459041, 284954490, 341945388, 379939320, 427431735, 455927184, 512918082, 569908980, 683890776, 759878640, 854863470, 1025836164, 1139817960, 1282295205, 1367781552, 1709726940, 2051672328, 2279635920, 2564590410, 3419453880, 4103344656, 5129180820, 6838907760, 10258361640, 20516723280]

約数ペア:

[(1, 20516723280), (2, 10258361640), (3, 6838907760), (4, 5129180820), (5, 4103344656), (6, 3419453880), (8, 2564590410), (9, 2279635920), (10, 2051672328), (12, 1709726940), (15, 1367781552), (16, 1282295205), (18, 1139817960), (20, 1025836164), (24, 854863470), (27, 759878640), (30, 683890776), (36, 569908980), (40, 512918082), (45, 455927184), (48, 427431735), (54, 379939320), (60, 341945388), (72, 284954490), (80, 256459041), (81, 253292880), (90, 227963592), (108, 189969660), (120, 170972694), (135, 151975728), (144, 142477245), (162, 126646440), (180, 113981796), (216, 94984830), (240, 85486347), (243, 84430960), (270, 75987864), (324, 63323220), (360, 56990898), (405, 50658576), (432, 47492415), (486, 42215480), (540, 37993932), (648, 31661610), (720, 28495449), (810, 25329288), (972, 21107740), (1080, 18996966), (1215, 16886192), (1296, 15830805), (1620, 12664644), (1944, 10553870), (2160, 9498483), (2430, 8443096), (3240, 6332322), (3888, 5276935), (4860, 4221548), (6480, 3166161), (9720, 2110774), (19440, 1055387)]