20403816209

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{6221}}^1\times {\mathrm{4549}}^1$

素因数の和:10880

約数の個数: 16

約数和(自身を含む): 23554003200

約数和(自身を除く): 3150186991

約数列:

[1, 7, 103, 721, 4549, 6221, 31843, 43547, 468547, 640763, 3279829, 4485341, 28299329, 198095303, 2914830887, 20403816209]

約数ペア:

[(1, 20403816209), (7, 2914830887), (103, 198095303), (721, 28299329), (4549, 4485341), (6221, 3279829), (31843, 640763), (43547, 468547)]