20004738

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{256471}}^1$

素因数の和:256489

約数の個数: 16

約数和(自身を含む): 43087296

約数和(自身を除く): 23082558

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 256471, 512942, 769413, 1538826, 3334123, 6668246, 10002369, 20004738]

約数ペア:

[(1, 20004738), (2, 10002369), (3, 6668246), (6, 3334123), (13, 1538826), (26, 769413), (39, 512942), (78, 256471)]