20070557

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{461}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 23051952

約数和(自身を除く): 2981395

約数列:

[1, 13, 17, 197, 221, 461, 2561, 3349, 5993, 7837, 43537, 90817, 101881, 1180621, 1543889, 20070557]

約数ペア:

[(1, 20070557), (13, 1543889), (17, 1180621), (197, 101881), (221, 90817), (461, 43537), (2561, 7837), (3349, 5993)]