20451577

素因数分解:

${\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:312

約数の個数: 16

約数和(自身を含む): 22014720

約数和(自身を除く): 1563143

約数列:

[1, 23, 89, 97, 103, 2047, 2231, 2369, 8633, 9167, 9991, 198559, 210841, 229793, 889199, 20451577]

約数ペア:

[(1, 20451577), (23, 889199), (89, 229793), (97, 210841), (103, 198559), (2047, 9991), (2231, 9167), (2369, 8633)]