20191270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:118

約数の個数: 64

約数和(自身を含む): 42057792

約数和(自身を除く): 21866522

約数列:

[1, 2, 5, 10, 11, 22, 37, 41, 55, 74, 82, 110, 121, 185, 205, 242, 370, 407, 410, 451, 605, 814, 902, 1210, 1331, 1517, 2035, 2255, 2662, 3034, 4070, 4477, 4510, 4961, 6655, 7585, 8954, 9922, 13310, 15170, 16687, 22385, 24805, 33374, 44770, 49247, 49610, 54571, 83435, 98494, 109142, 166870, 183557, 246235, 272855, 367114, 492470, 545710, 917785, 1835570, 2019127, 4038254, 10095635, 20191270]

約数ペア:

[(1, 20191270), (2, 10095635), (5, 4038254), (10, 2019127), (11, 1835570), (22, 917785), (37, 545710), (41, 492470), (55, 367114), (74, 272855), (82, 246235), (110, 183557), (121, 166870), (185, 109142), (205, 98494), (242, 83435), (370, 54571), (407, 49610), (410, 49247), (451, 44770), (605, 33374), (814, 24805), (902, 22385), (1210, 16687), (1331, 15170), (1517, 13310), (2035, 9922), (2255, 8954), (2662, 7585), (3034, 6655), (4070, 4961), (4477, 4510)]