20704962009

素因数分解:

$3^1\times {\mathrm{643}}^1\times {\mathrm{991}}^1\times {\mathrm{10831}}^1$

素因数の和:12468

約数の個数: 16

約数和(自身を含む): 27680006144

約数和(自身を除く): 6975044135

約数列:

[1, 3, 643, 991, 1929, 2973, 10831, 32493, 637213, 1911639, 6964333, 10733521, 20892999, 32200563, 6901654003, 20704962009]

約数ペア:

[(1, 20704962009), (3, 6901654003), (643, 32200563), (991, 20892999), (1929, 10733521), (2973, 6964333), (10831, 1911639), (32493, 637213)]