20521295

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{1901}}^1$

素因数の和:2050

約数の個数: 16

約数和(自身を含む): 26293248

約数和(自身を除く): 5771953

約数列:

[1, 5, 17, 85, 127, 635, 1901, 2159, 9505, 10795, 32317, 161585, 241427, 1207135, 4104259, 20521295]

約数ペア:

[(1, 20521295), (5, 4104259), (17, 1207135), (85, 241427), (127, 161585), (635, 32317), (1901, 10795), (2159, 9505)]