20199441605

素因数分解:

$5^1\times 7^1\times {\mathrm{4099}}^1\times {\mathrm{140797}}^1$

素因数の和:144908

約数の個数: 16

約数和(自身を含む): 27709046400

約数和(自身を除く): 7509604795

約数列:

[1, 5, 7, 35, 4099, 20495, 28693, 140797, 143465, 703985, 985579, 4927895, 577126903, 2885634515, 4039888321, 20199441605]

約数ペア:

[(1, 20199441605), (5, 4039888321), (7, 2885634515), (35, 577126903), (4099, 4927895), (20495, 985579), (28693, 703985), (140797, 143465)]