20497642

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{84701}}^1$

素因数の和:84725

約数の個数: 12

約数和(自身を含む): 33796098

約数和(自身を除く): 13298456

約数列:

[1, 2, 11, 22, 121, 242, 84701, 169402, 931711, 1863422, 10248821, 20497642]

約数ペア:

[(1, 20497642), (2, 10248821), (11, 1863422), (22, 931711), (121, 169402), (242, 84701)]