20468855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{6101}}^1$

素因数の和:6178

約数の個数: 16

約数和(自身を含む): 27239328

約数和(自身を除く): 6770473

約数列:

[1, 5, 11, 55, 61, 305, 671, 3355, 6101, 30505, 67111, 335555, 372161, 1860805, 4093771, 20468855]

約数ペア:

[(1, 20468855), (5, 4093771), (11, 1860805), (55, 372161), (61, 335555), (305, 67111), (671, 30505), (3355, 6101)]