20455594

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{911}}^1$

素因数の和:1125

約数の個数: 16

約数和(自身を含む): 31299840

約数和(自身を除く): 10844246

約数列:

[1, 2, 103, 109, 206, 218, 911, 1822, 11227, 22454, 93833, 99299, 187666, 198598, 10227797, 20455594]

約数ペア:

[(1, 20455594), (2, 10227797), (103, 198598), (109, 187666), (206, 99299), (218, 93833), (911, 22454), (1822, 11227)]