20747029240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{3919}}^1$

素因数の和:4054

約数の個数: 192

約数和(自身を含む): 56548195200

約数和(自身を除く): 35801165960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 49, 56, 70, 73, 74, 98, 140, 146, 148, 185, 196, 245, 259, 280, 292, 296, 365, 370, 392, 490, 511, 518, 584, 730, 740, 980, 1022, 1036, 1295, 1460, 1480, 1813, 1960, 2044, 2072, 2555, 2590, 2701, 2920, 3577, 3626, 3919, 4088, 5110, 5180, 5402, 7154, 7252, 7838, 9065, 10220, 10360, 10804, 13505, 14308, 14504, 15676, 17885, 18130, 18907, 19595, 20440, 21608, 27010, 27433, 28616, 31352, 35770, 36260, 37814, 39190, 54020, 54866, 71540, 72520, 75628, 78380, 94535, 108040, 109732, 132349, 137165, 143080, 145003, 151256, 156760, 189070, 192031, 219464, 264698, 274330, 286087, 290006, 378140, 384062, 529396, 548660, 572174, 580012, 661745, 725015, 756280, 768124, 960155, 1015021, 1058792, 1097320, 1144348, 1160024, 1323490, 1430435, 1450030, 1536248, 1920310, 2002609, 2030042, 2288696, 2646980, 2860870, 2900060, 3840620, 4005218, 4060084, 5075105, 5293960, 5721740, 5800120, 7105147, 7681240, 8010436, 8120168, 10013045, 10150210, 10585219, 11443480, 14018263, 14210294, 16020872, 20026090, 20300420, 21170438, 28036526, 28420588, 35525735, 40052180, 40600840, 42340876, 52926095, 56073052, 56841176, 70091315, 71051470, 74096533, 80104360, 84681752, 105852190, 112146104, 140182630, 142102940, 148193066, 211704380, 280365260, 284205880, 296386132, 370482665, 423408760, 518675731, 560730520, 592772264, 740965330, 1037351462, 1481930660, 2074702924, 2593378655, 2963861320, 4149405848, 5186757310, 10373514620, 20747029240]

約数ペア:

[(1, 20747029240), (2, 10373514620), (4, 5186757310), (5, 4149405848), (7, 2963861320), (8, 2593378655), (10, 2074702924), (14, 1481930660), (20, 1037351462), (28, 740965330), (35, 592772264), (37, 560730520), (40, 518675731), (49, 423408760), (56, 370482665), (70, 296386132), (73, 284205880), (74, 280365260), (98, 211704380), (140, 148193066), (146, 142102940), (148, 140182630), (185, 112146104), (196, 105852190), (245, 84681752), (259, 80104360), (280, 74096533), (292, 71051470), (296, 70091315), (365, 56841176), (370, 56073052), (392, 52926095), (490, 42340876), (511, 40600840), (518, 40052180), (584, 35525735), (730, 28420588), (740, 28036526), (980, 21170438), (1022, 20300420), (1036, 20026090), (1295, 16020872), (1460, 14210294), (1480, 14018263), (1813, 11443480), (1960, 10585219), (2044, 10150210), (2072, 10013045), (2555, 8120168), (2590, 8010436), (2701, 7681240), (2920, 7105147), (3577, 5800120), (3626, 5721740), (3919, 5293960), (4088, 5075105), (5110, 4060084), (5180, 4005218), (5402, 3840620), (7154, 2900060), (7252, 2860870), (7838, 2646980), (9065, 2288696), (10220, 2030042), (10360, 2002609), (10804, 1920310), (13505, 1536248), (14308, 1450030), (14504, 1430435), (15676, 1323490), (17885, 1160024), (18130, 1144348), (18907, 1097320), (19595, 1058792), (20440, 1015021), (21608, 960155), (27010, 768124), (27433, 756280), (28616, 725015), (31352, 661745), (35770, 580012), (36260, 572174), (37814, 548660), (39190, 529396), (54020, 384062), (54866, 378140), (71540, 290006), (72520, 286087), (75628, 274330), (78380, 264698), (94535, 219464), (108040, 192031), (109732, 189070), (132349, 156760), (137165, 151256), (143080, 145003)]