20909589022

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1049}}^1\times {\mathrm{10243}}^1$

素因数の和:11440

約数の個数: 32

約数和(自身を含む): 36140832000

約数和(自身を除く): 15231242978

約数列:

[1, 2, 7, 14, 139, 278, 973, 1049, 1946, 2098, 7343, 10243, 14686, 20486, 71701, 143402, 145811, 291622, 1020677, 1423777, 2041354, 2847554, 9966439, 10744907, 19932878, 21489814, 75214349, 150428698, 1493542073, 2987084146, 10454794511, 20909589022]

約数ペア:

[(1, 20909589022), (2, 10454794511), (7, 2987084146), (14, 1493542073), (139, 150428698), (278, 75214349), (973, 21489814), (1049, 19932878), (1946, 10744907), (2098, 9966439), (7343, 2847554), (10243, 2041354), (14686, 1423777), (20486, 1020677), (71701, 291622), (143402, 145811)]