20197400

素因数分解:

$2^3\times 5^2\times {\mathrm{100987}}^1$

素因数の和:101003

約数の個数: 24

約数和(自身を含む): 46959420

約数和(自身を除く): 26762020

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 100987, 201974, 403948, 504935, 807896, 1009870, 2019740, 2524675, 4039480, 5049350, 10098700, 20197400]

約数ペア:

[(1, 20197400), (2, 10098700), (4, 5049350), (5, 4039480), (8, 2524675), (10, 2019740), (20, 1009870), (25, 807896), (40, 504935), (50, 403948), (100, 201974), (200, 100987)]