20121120219

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{3557}}^1\times {\mathrm{110917}}^1$

素因数の和:114494

約数の個数: 16

約数和(自身を含む): 28414529568

約数和(自身を除く): 8293409349

約数列:

[1, 3, 17, 51, 3557, 10671, 60469, 110917, 181407, 332751, 1885589, 5656767, 394531769, 1183595307, 6707040073, 20121120219]

約数ペア:

[(1, 20121120219), (3, 6707040073), (17, 1183595307), (51, 394531769), (3557, 5656767), (10671, 1885589), (60469, 332751), (110917, 181407)]