20489434

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{10529}}^1$

素因数の和:10677

約数の個数: 16

約数和(自身を含む): 35380800

約数和(自身を除く): 14891366

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 10529, 21058, 73703, 147406, 1463531, 2927062, 10244717, 20489434]

約数ペア:

[(1, 20489434), (2, 10244717), (7, 2927062), (14, 1463531), (139, 147406), (278, 73703), (973, 21058), (1946, 10529)]