20389587

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{3527}}^1$

素因数の和:3618

約数の個数: 16

約数和(自身を含む): 28449792

約数和(自身を除く): 8060205

約数列:

[1, 3, 41, 47, 123, 141, 1927, 3527, 5781, 10581, 144607, 165769, 433821, 497307, 6796529, 20389587]

約数ペア:

[(1, 20389587), (3, 6796529), (41, 497307), (47, 433821), (123, 165769), (141, 144607), (1927, 10581), (3527, 5781)]