20649330

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:122

約数の個数: 160

約数和(自身を含む): 62569584

約数和(自身を除く): 41920254

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 37, 39, 45, 53, 54, 65, 74, 78, 81, 90, 106, 111, 117, 130, 135, 159, 162, 185, 195, 222, 234, 265, 270, 318, 333, 351, 370, 390, 405, 477, 481, 530, 555, 585, 666, 689, 702, 795, 810, 954, 962, 999, 1053, 1110, 1170, 1378, 1431, 1443, 1590, 1665, 1755, 1961, 1998, 2067, 2106, 2385, 2405, 2862, 2886, 2997, 3330, 3445, 3510, 3922, 4134, 4293, 4329, 4770, 4810, 4995, 5265, 5883, 5994, 6201, 6890, 7155, 7215, 8586, 8658, 9805, 9990, 10335, 10530, 11766, 12402, 12987, 14310, 14430, 14985, 17649, 18603, 19610, 20670, 21465, 21645, 25493, 25974, 29415, 29970, 31005, 35298, 37206, 38961, 42930, 43290, 50986, 52947, 55809, 58830, 62010, 64935, 76479, 77922, 88245, 93015, 105894, 111618, 127465, 129870, 152958, 158841, 176490, 186030, 194805, 229437, 254930, 264735, 279045, 317682, 382395, 389610, 458874, 529470, 558090, 688311, 764790, 794205, 1147185, 1376622, 1588410, 2064933, 2294370, 3441555, 4129866, 6883110, 10324665, 20649330]

約数ペア:

[(1, 20649330), (2, 10324665), (3, 6883110), (5, 4129866), (6, 3441555), (9, 2294370), (10, 2064933), (13, 1588410), (15, 1376622), (18, 1147185), (26, 794205), (27, 764790), (30, 688311), (37, 558090), (39, 529470), (45, 458874), (53, 389610), (54, 382395), (65, 317682), (74, 279045), (78, 264735), (81, 254930), (90, 229437), (106, 194805), (111, 186030), (117, 176490), (130, 158841), (135, 152958), (159, 129870), (162, 127465), (185, 111618), (195, 105894), (222, 93015), (234, 88245), (265, 77922), (270, 76479), (318, 64935), (333, 62010), (351, 58830), (370, 55809), (390, 52947), (405, 50986), (477, 43290), (481, 42930), (530, 38961), (555, 37206), (585, 35298), (666, 31005), (689, 29970), (702, 29415), (795, 25974), (810, 25493), (954, 21645), (962, 21465), (999, 20670), (1053, 19610), (1110, 18603), (1170, 17649), (1378, 14985), (1431, 14430), (1443, 14310), (1590, 12987), (1665, 12402), (1755, 11766), (1961, 10530), (1998, 10335), (2067, 9990), (2106, 9805), (2385, 8658), (2405, 8586), (2862, 7215), (2886, 7155), (2997, 6890), (3330, 6201), (3445, 5994), (3510, 5883), (3922, 5265), (4134, 4995), (4293, 4810), (4329, 4770)]