20105541

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{349}}^1$

素因数の和:565

約数の個数: 24

約数和(自身を含む): 30084600

約数和(自身を除く): 9979059

約数列:

[1, 3, 9, 37, 111, 173, 333, 349, 519, 1047, 1557, 3141, 6401, 12913, 19203, 38739, 57609, 60377, 116217, 181131, 543393, 2233949, 6701847, 20105541]

約数ペア:

[(1, 20105541), (3, 6701847), (9, 2233949), (37, 543393), (111, 181131), (173, 116217), (333, 60377), (349, 57609), (519, 38739), (1047, 19203), (1557, 12913), (3141, 6401)]