20768157720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1559171}}^1$

素因数の和:1559225

約数の個数: 96

約数和(自身を含む): 69320787120

約数和(自身を除く): 48552629400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 37, 40, 45, 60, 72, 74, 90, 111, 120, 148, 180, 185, 222, 296, 333, 360, 370, 444, 555, 666, 740, 888, 1110, 1332, 1480, 1665, 2220, 2664, 3330, 4440, 6660, 13320, 1559171, 3118342, 4677513, 6236684, 7795855, 9355026, 12473368, 14032539, 15591710, 18710052, 23387565, 28065078, 31183420, 37420104, 46775130, 56130156, 57689327, 62366840, 70162695, 93550260, 112260312, 115378654, 140325390, 173067981, 187100520, 230757308, 280650780, 288446635, 346135962, 461514616, 519203943, 561301560, 576893270, 692271924, 865339905, 1038407886, 1153786540, 1384543848, 1730679810, 2076815772, 2307573080, 2596019715, 3461359620, 4153631544, 5192039430, 6922719240, 10384078860, 20768157720]

約数ペア:

[(1, 20768157720), (2, 10384078860), (3, 6922719240), (4, 5192039430), (5, 4153631544), (6, 3461359620), (8, 2596019715), (9, 2307573080), (10, 2076815772), (12, 1730679810), (15, 1384543848), (18, 1153786540), (20, 1038407886), (24, 865339905), (30, 692271924), (36, 576893270), (37, 561301560), (40, 519203943), (45, 461514616), (60, 346135962), (72, 288446635), (74, 280650780), (90, 230757308), (111, 187100520), (120, 173067981), (148, 140325390), (180, 115378654), (185, 112260312), (222, 93550260), (296, 70162695), (333, 62366840), (360, 57689327), (370, 56130156), (444, 46775130), (555, 37420104), (666, 31183420), (740, 28065078), (888, 23387565), (1110, 18710052), (1332, 15591710), (1480, 14032539), (1665, 12473368), (2220, 9355026), (2664, 7795855), (3330, 6236684), (4440, 4677513), (6660, 3118342), (13320, 1559171)]