19703780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24029}}^1$

素因数の和:24079

約数の個数: 24

約数和(自身を含む): 42388920

約数和(自身を除く): 22685140

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 24029, 48058, 96116, 120145, 240290, 480580, 985189, 1970378, 3940756, 4925945, 9851890, 19703780]

約数ペア:

[(1, 19703780), (2, 9851890), (4, 4925945), (5, 3940756), (10, 1970378), (20, 985189), (41, 480580), (82, 240290), (164, 120145), (205, 96116), (410, 48058), (820, 24029)]