20195931

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{9337}}^1$

素因数の和:9450

約数の個数: 16

約数和(自身を含む): 31076864

約数和(自身を除く): 10880933

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 9337, 28011, 65359, 196077, 961711, 2885133, 6731977, 20195931]

約数ペア:

[(1, 20195931), (3, 6731977), (7, 2885133), (21, 961711), (103, 196077), (309, 65359), (721, 28011), (2163, 9337)]