20199453956

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{1127957}}^1$

素因数の和:1128020

約数の個数: 36

約数和(自身を含む): 39904898124

約数和(自身を除く): 19705444168

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 121, 148, 242, 407, 484, 814, 1628, 4477, 8954, 17908, 1127957, 2255914, 4511828, 12407527, 24815054, 41734409, 49630108, 83468818, 136482797, 166937636, 272965594, 459078499, 545931188, 918156998, 1836313996, 5049863489, 10099726978, 20199453956]

約数ペア:

[(1, 20199453956), (2, 10099726978), (4, 5049863489), (11, 1836313996), (22, 918156998), (37, 545931188), (44, 459078499), (74, 272965594), (121, 166937636), (148, 136482797), (242, 83468818), (407, 49630108), (484, 41734409), (814, 24815054), (1628, 12407527), (4477, 4511828), (8954, 2255914), (17908, 1127957)]