20805122020

素因数分解:

$2^2\times 5^1\times {\mathrm{5683}}^1\times {\mathrm{183047}}^1$

素因数の和:188739

約数の個数: 24

約数和(自身を含む): 43698682944

約数和(自身を除く): 22893560924

約数列:

[1, 2, 4, 5, 10, 20, 5683, 11366, 22732, 28415, 56830, 113660, 183047, 366094, 732188, 915235, 1830470, 3660940, 1040256101, 2080512202, 4161024404, 5201280505, 10402561010, 20805122020]

約数ペア:

[(1, 20805122020), (2, 10402561010), (4, 5201280505), (5, 4161024404), (10, 2080512202), (20, 1040256101), (5683, 3660940), (11366, 1830470), (22732, 915235), (28415, 732188), (56830, 366094), (113660, 183047)]