20179260009

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{28381519}}^1$

素因数の和:28381604

約数の個数: 12

約数和(自身を含む): 29516780800

約数和(自身を除く): 9337520791

約数列:

[1, 3, 9, 79, 237, 711, 28381519, 85144557, 255433671, 2242140001, 6726420003, 20179260009]

約数ペア:

[(1, 20179260009), (3, 6726420003), (9, 2242140001), (79, 255433671), (237, 85144557), (711, 28381519)]