20882576

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9127}}^1$

素因数の和:9159

約数の個数: 40

約数和(自身を含む): 47538624

約数和(自身を除く): 26656048

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 9127, 18254, 36508, 73016, 100397, 118651, 146032, 200794, 237302, 401588, 474604, 803176, 949208, 1305161, 1606352, 1898416, 2610322, 5220644, 10441288, 20882576]

約数ペア:

[(1, 20882576), (2, 10441288), (4, 5220644), (8, 2610322), (11, 1898416), (13, 1606352), (16, 1305161), (22, 949208), (26, 803176), (44, 474604), (52, 401588), (88, 237302), (104, 200794), (143, 146032), (176, 118651), (208, 100397), (286, 73016), (572, 36508), (1144, 18254), (2288, 9127)]