20355935

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^2\times {\mathrm{97}}^1$

素因数の和:215

約数の個数: 24

約数和(自身を含む): 26542320

約数和(自身を除く): 6186385

約数列:

[1, 5, 19, 47, 95, 97, 235, 485, 893, 1843, 2209, 4465, 4559, 9215, 11045, 22795, 41971, 86621, 209855, 214273, 433105, 1071365, 4071187, 20355935]

約数ペア:

[(1, 20355935), (5, 4071187), (19, 1071365), (47, 433105), (95, 214273), (97, 209855), (235, 86621), (485, 41971), (893, 22795), (1843, 11045), (2209, 9215), (4465, 4559)]