20003836

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{2111}}^1$

素因数の和:2241

約数の個数: 24

約数和(自身を含む): 36900864

約数和(自身を除く): 16897028

約数列:

[1, 2, 4, 23, 46, 92, 103, 206, 412, 2111, 2369, 4222, 4738, 8444, 9476, 48553, 97106, 194212, 217433, 434866, 869732, 5000959, 10001918, 20003836]

約数ペア:

[(1, 20003836), (2, 10001918), (4, 5000959), (23, 869732), (46, 434866), (92, 217433), (103, 194212), (206, 97106), (412, 48553), (2111, 9476), (2369, 8444), (4222, 4738)]