20184009

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1\times {\mathrm{557}}^1$

素因数の和:864

約数の個数: 16

約数和(自身を含む): 27641088

約数和(自身を除く): 7457079

約数列:

[1, 3, 47, 141, 257, 557, 771, 1671, 12079, 26179, 36237, 78537, 143149, 429447, 6728003, 20184009]

約数ペア:

[(1, 20184009), (3, 6728003), (47, 429447), (141, 143149), (257, 78537), (557, 36237), (771, 26179), (1671, 12079)]