20189537524

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{404017}}^1$

素因数の和:404096

約数の個数: 36

約数和(自身を含む): 39316607652

約数和(自身を除く): 19127070128

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 961, 1612, 1922, 3844, 12493, 24986, 49972, 404017, 808034, 1616068, 5252221, 10504442, 12524527, 21008884, 25049054, 50098108, 162818851, 325637702, 388260337, 651275404, 776520674, 1553041348, 5047384381, 10094768762, 20189537524]

約数ペア:

[(1, 20189537524), (2, 10094768762), (4, 5047384381), (13, 1553041348), (26, 776520674), (31, 651275404), (52, 388260337), (62, 325637702), (124, 162818851), (403, 50098108), (806, 25049054), (961, 21008884), (1612, 12524527), (1922, 10504442), (3844, 5252221), (12493, 1616068), (24986, 808034), (49972, 404017)]