20624649

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{2621}}^1$

素因数の和:2728

約数の個数: 16

約数和(自身を含む): 28611264

約数和(自身を除く): 7986615

約数列:

[1, 3, 43, 61, 129, 183, 2621, 2623, 7863, 7869, 112703, 159881, 338109, 479643, 6874883, 20624649]

約数ペア:

[(1, 20624649), (3, 6874883), (43, 479643), (61, 338109), (129, 159881), (183, 112703), (2621, 7869), (2623, 7863)]