20163318175

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{61979}}^1$

素因数の和:62033

約数の個数: 72

約数和(自身を含む): 33754803840

約数和(自身を除く): 13591485665

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 91, 143, 169, 175, 275, 325, 385, 455, 715, 845, 1001, 1183, 1859, 1925, 2275, 3575, 4225, 5005, 5915, 9295, 13013, 25025, 29575, 46475, 61979, 65065, 309895, 325325, 433853, 681769, 805727, 1549475, 2169265, 3408845, 4028635, 4772383, 5640089, 8862997, 10474451, 10846325, 17044225, 20143175, 23861915, 28200445, 44314985, 52372255, 62040979, 73321157, 115218961, 119309575, 141002225, 221574925, 261861275, 310204895, 366605785, 576094805, 806532727, 1551024475, 1833028925, 2880474025, 4032663635, 20163318175]

約数ペア:

[(1, 20163318175), (5, 4032663635), (7, 2880474025), (11, 1833028925), (13, 1551024475), (25, 806532727), (35, 576094805), (55, 366605785), (65, 310204895), (77, 261861275), (91, 221574925), (143, 141002225), (169, 119309575), (175, 115218961), (275, 73321157), (325, 62040979), (385, 52372255), (455, 44314985), (715, 28200445), (845, 23861915), (1001, 20143175), (1183, 17044225), (1859, 10846325), (1925, 10474451), (2275, 8862997), (3575, 5640089), (4225, 4772383), (5005, 4028635), (5915, 3408845), (9295, 2169265), (13013, 1549475), (25025, 805727), (29575, 681769), (46475, 433853), (61979, 325325), (65065, 309895)]