20001201

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{16381}}^1$

素因数の和:16432

約数の個数: 16

約数和(自身を含む): 29880768

約数和(自身を除く): 9879567

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 16381, 49143, 180191, 540573, 606097, 1818291, 6667067, 20001201]

約数ペア:

[(1, 20001201), (3, 6667067), (11, 1818291), (33, 606097), (37, 540573), (111, 180191), (407, 49143), (1221, 16381)]