20827947

素因数分解:

$3^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{2659}}^1$

素因数の和:3042

約数の個数: 16

約数和(自身を含む): 31834880

約数和(自身を除く): 11006933

約数列:

[1, 3, 7, 21, 373, 1119, 2611, 2659, 7833, 7977, 18613, 55839, 991807, 2975421, 6942649, 20827947]

約数ペア:

[(1, 20827947), (3, 6942649), (7, 2975421), (21, 991807), (373, 55839), (1119, 18613), (2611, 7977), (2659, 7833)]