201021790

素因数分解:

$2^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{44771}}^1$

素因数の和:45227

約数の個数: 16

約数和(自身を含む): 362653200

約数和(自身を除く): 161631410

約数列:

[1, 2, 5, 10, 449, 898, 2245, 4490, 44771, 89542, 223855, 447710, 20102179, 40204358, 100510895, 201021790]

約数ペア:

[(1, 201021790), (2, 100510895), (5, 40204358), (10, 20102179), (449, 447710), (898, 223855), (2245, 89542), (4490, 44771)]