20767604

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{36307}}^1$

素因数の和:36335

約数の個数: 24

約数和(自身を含む): 42698208

約数和(自身を除く): 21930604

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 36307, 72614, 145228, 399377, 471991, 798754, 943982, 1597508, 1887964, 5191901, 10383802, 20767604]

約数ペア:

[(1, 20767604), (2, 10383802), (4, 5191901), (11, 1887964), (13, 1597508), (22, 943982), (26, 798754), (44, 471991), (52, 399377), (143, 145228), (286, 72614), (572, 36307)]