20575412

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{2767}}^1$

素因数の和:2808

約数の個数: 36

約数和(自身を含む): 42549696

約数和(自身を除く): 21974284

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 169, 286, 338, 572, 676, 1859, 2767, 3718, 5534, 7436, 11068, 30437, 35971, 60874, 71942, 121748, 143884, 395681, 467623, 791362, 935246, 1582724, 1870492, 5143853, 10287706, 20575412]

約数ペア:

[(1, 20575412), (2, 10287706), (4, 5143853), (11, 1870492), (13, 1582724), (22, 935246), (26, 791362), (44, 467623), (52, 395681), (143, 143884), (169, 121748), (286, 71942), (338, 60874), (572, 35971), (676, 30437), (1859, 11068), (2767, 7436), (3718, 5534)]