20105354918

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{23}}^2\times {\mathrm{157051}}^1$

素因数の和:157121

約数の個数: 36

約数和(自身を含む): 34653052644

約数和(自身を除く): 14547697726

約数列:

[1, 2, 11, 22, 23, 46, 121, 242, 253, 506, 529, 1058, 2783, 5566, 5819, 11638, 64009, 128018, 157051, 314102, 1727561, 3455122, 3612173, 7224346, 19003171, 38006342, 39733903, 79467806, 83079979, 166159958, 437072933, 874145866, 913879769, 1827759538, 10052677459, 20105354918]

約数ペア:

[(1, 20105354918), (2, 10052677459), (11, 1827759538), (22, 913879769), (23, 874145866), (46, 437072933), (121, 166159958), (242, 83079979), (253, 79467806), (506, 39733903), (529, 38006342), (1058, 19003171), (2783, 7224346), (5566, 3612173), (5819, 3455122), (11638, 1727561), (64009, 314102), (128018, 157051)]