20891094

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{3797}}^1$

素因数の和:3940

約数の個数: 32

約数和(自身を含む): 48128256

約数和(自身を除く): 27237162

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 131, 262, 393, 786, 917, 1834, 2751, 3797, 5502, 7594, 11391, 22782, 26579, 53158, 79737, 159474, 497407, 994814, 1492221, 2984442, 3481849, 6963698, 10445547, 20891094]

約数ペア:

[(1, 20891094), (2, 10445547), (3, 6963698), (6, 3481849), (7, 2984442), (14, 1492221), (21, 994814), (42, 497407), (131, 159474), (262, 79737), (393, 53158), (786, 26579), (917, 22782), (1834, 11391), (2751, 7594), (3797, 5502)]