20791299

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{2371}}^1$

素因数の和:2490

約数の個数: 16

約数和(自身を含む): 28843520

約数和(自身を除く): 8052221

約数列:

[1, 3, 37, 79, 111, 237, 2371, 2923, 7113, 8769, 87727, 187309, 263181, 561927, 6930433, 20791299]

約数ペア:

[(1, 20791299), (3, 6930433), (37, 561927), (79, 263181), (111, 187309), (237, 87727), (2371, 8769), (2923, 7113)]