20480886

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{66931}}^1$

素因数の和:66956

約数の個数: 24

約数和(自身を含む): 46986264

約数和(自身を除く): 26505378

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 66931, 133862, 200793, 401586, 602379, 1137827, 1204758, 2275654, 3413481, 6826962, 10240443, 20480886]

約数ペア:

[(1, 20480886), (2, 10240443), (3, 6826962), (6, 3413481), (9, 2275654), (17, 1204758), (18, 1137827), (34, 602379), (51, 401586), (102, 200793), (153, 133862), (306, 66931)]