20349380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53551}}^1$

素因数の和:53579

約数の個数: 24

約数和(自身を含む): 44983680

約数和(自身を除く): 24634300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 53551, 107102, 214204, 267755, 535510, 1017469, 1071020, 2034938, 4069876, 5087345, 10174690, 20349380]

約数ペア:

[(1, 20349380), (2, 10174690), (4, 5087345), (5, 4069876), (10, 2034938), (19, 1071020), (20, 1017469), (38, 535510), (76, 267755), (95, 214204), (190, 107102), (380, 53551)]