20081216

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{18457}}^1$

素因数の和:18486

約数の個数: 28

約数和(自身を含む): 42194988

約数和(自身を除く): 22113772

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 1088, 18457, 36914, 73828, 147656, 295312, 313769, 590624, 627538, 1181248, 1255076, 2510152, 5020304, 10040608, 20081216]

約数ペア:

[(1, 20081216), (2, 10040608), (4, 5020304), (8, 2510152), (16, 1255076), (17, 1181248), (32, 627538), (34, 590624), (64, 313769), (68, 295312), (136, 147656), (272, 73828), (544, 36914), (1088, 18457)]