20886649

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{491}}^1$

素因数の和:660

約数の個数: 16

約数和(自身を含む): 24560640

約数和(自身を除く): 3673991

約数列:

[1, 7, 59, 103, 413, 491, 721, 3437, 6077, 28969, 42539, 50573, 202783, 354011, 2983807, 20886649]

約数ペア:

[(1, 20886649), (7, 2983807), (59, 354011), (103, 202783), (413, 50573), (491, 42539), (721, 28969), (3437, 6077)]