20648889349

素因数分解:

${\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1451}}^1\times {\mathrm{12809}}^1$

素因数の和:14372

約数の個数: 16

約数和(自身を含む): 22766546880

約数和(自身を除く): 2117657531

約数列:

[1, 11, 101, 1111, 1451, 12809, 15961, 140899, 146551, 1293709, 1612061, 14230799, 18585859, 204444449, 1877171759, 20648889349]

約数ペア:

[(1, 20648889349), (11, 1877171759), (101, 204444449), (1111, 18585859), (1451, 14230799), (12809, 1612061), (15961, 1293709), (140899, 146551)]