20177519020

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{10400783}}^1$

素因数の和:10400889

約数の個数: 24

約数和(自身を含む): 42809626944

約数和(自身を除く): 22632107924

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 10400783, 20801566, 41603132, 52003915, 104007830, 208015660, 1008875951, 2017751902, 4035503804, 5044379755, 10088759510, 20177519020]

約数ペア:

[(1, 20177519020), (2, 10088759510), (4, 5044379755), (5, 4035503804), (10, 2017751902), (20, 1008875951), (97, 208015660), (194, 104007830), (388, 52003915), (485, 41603132), (970, 20801566), (1940, 10400783)]