20415079440

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{4050611}}^1$

素因数の和:4050637

約数の個数: 120

約数和(自身を含む): 78355038528

約数和(自身を除く): 57939959088

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 4050611, 8101222, 12151833, 16202444, 20253055, 24303666, 28354277, 32404888, 36455499, 40506110, 48607332, 56708554, 60759165, 64809776, 72910998, 81012220, 85062831, 97214664, 113417108, 121518330, 141771385, 145821996, 162024440, 170125662, 182277495, 194429328, 226834216, 243036660, 255188493, 283542770, 291643992, 324048880, 340251324, 364554990, 425314155, 453668432, 486073320, 510376986, 567085540, 583287984, 680502648, 729109980, 850628310, 972146640, 1020753972, 1134171080, 1275942465, 1361005296, 1458219960, 1701256620, 2041507944, 2268342160, 2551884930, 2916439920, 3402513240, 4083015888, 5103769860, 6805026480, 10207539720, 20415079440]

約数ペア:

[(1, 20415079440), (2, 10207539720), (3, 6805026480), (4, 5103769860), (5, 4083015888), (6, 3402513240), (7, 2916439920), (8, 2551884930), (9, 2268342160), (10, 2041507944), (12, 1701256620), (14, 1458219960), (15, 1361005296), (16, 1275942465), (18, 1134171080), (20, 1020753972), (21, 972146640), (24, 850628310), (28, 729109980), (30, 680502648), (35, 583287984), (36, 567085540), (40, 510376986), (42, 486073320), (45, 453668432), (48, 425314155), (56, 364554990), (60, 340251324), (63, 324048880), (70, 291643992), (72, 283542770), (80, 255188493), (84, 243036660), (90, 226834216), (105, 194429328), (112, 182277495), (120, 170125662), (126, 162024440), (140, 145821996), (144, 141771385), (168, 121518330), (180, 113417108), (210, 97214664), (240, 85062831), (252, 81012220), (280, 72910998), (315, 64809776), (336, 60759165), (360, 56708554), (420, 48607332), (504, 40506110), (560, 36455499), (630, 32404888), (720, 28354277), (840, 24303666), (1008, 20253055), (1260, 16202444), (1680, 12151833), (2520, 8101222), (5040, 4050611)]