11840020

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4259}}^1$

素因数の和:4407

約数の個数: 24

約数和(自身を含む): 25048800

約数和(自身を除く): 13208780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 4259, 8518, 17036, 21295, 42590, 85180, 592001, 1184002, 2368004, 2960005, 5920010, 11840020]

約数ペア:

[(1, 11840020), (2, 5920010), (4, 2960005), (5, 2368004), (10, 1184002), (20, 592001), (139, 85180), (278, 42590), (556, 21295), (695, 17036), (1390, 8518), (2780, 4259)]