20161540421

素因数分解:

${\mathrm{11}}^2\times {\mathrm{461}}^1\times {\mathrm{361441}}^1$

素因数の和:361924

約数の個数: 12

約数和(自身を含む): 22209165132

約数和(自身を除く): 2047624711

約数列:

[1, 11, 121, 461, 5071, 55781, 361441, 3975851, 43734361, 166624301, 1832867311, 20161540421]

約数ペア:

[(1, 20161540421), (11, 1832867311), (121, 166624301), (461, 43734361), (5071, 3975851), (55781, 361441)]