220292020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{847277}}^1$

素因数の和:847299

約数の個数: 24

約数和(自身を含む): 498199464

約数和(自身を除く): 277907444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 847277, 1694554, 3389108, 4236385, 8472770, 11014601, 16945540, 22029202, 44058404, 55073005, 110146010, 220292020]

約数ペア:

[(1, 220292020), (2, 110146010), (4, 55073005), (5, 44058404), (10, 22029202), (13, 16945540), (20, 11014601), (26, 8472770), (52, 4236385), (65, 3389108), (130, 1694554), (260, 847277)]