20091669

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1901}}^1$

素因数の和:2188

約数の個数: 16

約数和(自身を含む): 28971264

約数和(自身を除く): 8879595

約数列:

[1, 3, 13, 39, 271, 813, 1901, 3523, 5703, 10569, 24713, 74139, 515171, 1545513, 6697223, 20091669]

約数ペア:

[(1, 20091669), (3, 6697223), (13, 1545513), (39, 515171), (271, 74139), (813, 24713), (1901, 10569), (3523, 5703)]