20170853920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{43607}}^1$

素因数の和:43695

約数の個数: 144

約数和(自身を含む): 56374678080

約数和(自身を除く): 36203824160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 59, 70, 80, 98, 112, 118, 140, 160, 196, 224, 236, 245, 280, 295, 392, 413, 472, 490, 560, 590, 784, 826, 944, 980, 1120, 1180, 1568, 1652, 1888, 1960, 2065, 2360, 2891, 3304, 3920, 4130, 4720, 5782, 6608, 7840, 8260, 9440, 11564, 13216, 14455, 16520, 23128, 28910, 33040, 43607, 46256, 57820, 66080, 87214, 92512, 115640, 174428, 218035, 231280, 305249, 348856, 436070, 462560, 610498, 697712, 872140, 1220996, 1395424, 1526245, 1744280, 2136743, 2441992, 2572813, 3052490, 3488560, 4273486, 4883984, 5145626, 6104980, 6977120, 8546972, 9767968, 10291252, 10683715, 12209960, 12864065, 17093944, 18009691, 20582504, 21367430, 24419920, 25728130, 34187888, 36019382, 41165008, 42734860, 48839840, 51456260, 68375776, 72038764, 82330016, 85469720, 90048455, 102912520, 126067837, 144077528, 170939440, 180096910, 205825040, 252135674, 288155056, 341878880, 360193820, 411650080, 504271348, 576310112, 630339185, 720387640, 1008542696, 1260678370, 1440775280, 2017085392, 2521356740, 2881550560, 4034170784, 5042713480, 10085426960, 20170853920]

約数ペア:

[(1, 20170853920), (2, 10085426960), (4, 5042713480), (5, 4034170784), (7, 2881550560), (8, 2521356740), (10, 2017085392), (14, 1440775280), (16, 1260678370), (20, 1008542696), (28, 720387640), (32, 630339185), (35, 576310112), (40, 504271348), (49, 411650080), (56, 360193820), (59, 341878880), (70, 288155056), (80, 252135674), (98, 205825040), (112, 180096910), (118, 170939440), (140, 144077528), (160, 126067837), (196, 102912520), (224, 90048455), (236, 85469720), (245, 82330016), (280, 72038764), (295, 68375776), (392, 51456260), (413, 48839840), (472, 42734860), (490, 41165008), (560, 36019382), (590, 34187888), (784, 25728130), (826, 24419920), (944, 21367430), (980, 20582504), (1120, 18009691), (1180, 17093944), (1568, 12864065), (1652, 12209960), (1888, 10683715), (1960, 10291252), (2065, 9767968), (2360, 8546972), (2891, 6977120), (3304, 6104980), (3920, 5145626), (4130, 4883984), (4720, 4273486), (5782, 3488560), (6608, 3052490), (7840, 2572813), (8260, 2441992), (9440, 2136743), (11564, 1744280), (13216, 1526245), (14455, 1395424), (16520, 1220996), (23128, 872140), (28910, 697712), (33040, 610498), (43607, 462560), (46256, 436070), (57820, 348856), (66080, 305249), (87214, 231280), (92512, 218035), (115640, 174428)]