20817698

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{6907}}^1$

素因数の和:7057

約数の個数: 16

約数和(自身を含む): 34318944

約数和(自身を除く): 13501246

約数列:

[1, 2, 11, 22, 137, 274, 1507, 3014, 6907, 13814, 75977, 151954, 946259, 1892518, 10408849, 20817698]

約数ペア:

[(1, 20817698), (2, 10408849), (11, 1892518), (22, 946259), (137, 151954), (274, 75977), (1507, 13814), (3014, 6907)]