20128100828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{137}}^2\times {\mathrm{24373}}^1$

素因数の和:24662

約数の個数: 36

約数和(自身を含む): 38710494312

約数和(自身を除く): 18582393484

約数列:

[1, 2, 4, 11, 22, 44, 137, 274, 548, 1507, 3014, 6028, 18769, 24373, 37538, 48746, 75076, 97492, 206459, 268103, 412918, 536206, 825836, 1072412, 3339101, 6678202, 13356404, 36730111, 73460222, 146920444, 457456837, 914913674, 1829827348, 5032025207, 10064050414, 20128100828]

約数ペア:

[(1, 20128100828), (2, 10064050414), (4, 5032025207), (11, 1829827348), (22, 914913674), (44, 457456837), (137, 146920444), (274, 73460222), (548, 36730111), (1507, 13356404), (3014, 6678202), (6028, 3339101), (18769, 1072412), (24373, 825836), (37538, 536206), (48746, 412918), (75076, 268103), (97492, 206459)]