20564348

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{5783}}^1$

素因数の和:5921

約数の個数: 24

約数和(自身を含む): 41459712

約数和(自身を除く): 20895364

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 508, 889, 1778, 3556, 5783, 11566, 23132, 40481, 80962, 161924, 734441, 1468882, 2937764, 5141087, 10282174, 20564348]

約数ペア:

[(1, 20564348), (2, 10282174), (4, 5141087), (7, 2937764), (14, 1468882), (28, 734441), (127, 161924), (254, 80962), (508, 40481), (889, 23132), (1778, 11566), (3556, 5783)]