20105644540

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{9395161}}^1$

素因数の和:9395277

約数の個数: 24

約数和(自身を含む): 42616454832

約数和(自身を除く): 22510810292

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 9395161, 18790322, 37580644, 46975805, 93951610, 187903220, 1005282227, 2010564454, 4021128908, 5026411135, 10052822270, 20105644540]

約数ペア:

[(1, 20105644540), (2, 10052822270), (4, 5026411135), (5, 4021128908), (10, 2010564454), (20, 1005282227), (107, 187903220), (214, 93951610), (428, 46975805), (535, 37580644), (1070, 18790322), (2140, 9395161)]