20856883

素因数分解:

${\mathrm{23}}^2\times {\mathrm{89}}^1\times {\mathrm{443}}^1$

素因数の和:578

約数の個数: 12

約数和(自身を含む): 22097880

約数和(自身を除く): 1240997

約数列:

[1, 23, 89, 443, 529, 2047, 10189, 39427, 47081, 234347, 906821, 20856883]

約数ペア:

[(1, 20856883), (23, 906821), (89, 234347), (443, 47081), (529, 39427), (2047, 10189)]