20202400

素因数分解:

$2^5\times 5^2\times {\mathrm{25253}}^1$

素因数の和:25273

約数の個数: 36

約数和(自身を含む): 49321062

約数和(自身を除く): 29118662

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 25253, 50506, 101012, 126265, 202024, 252530, 404048, 505060, 631325, 808096, 1010120, 1262650, 2020240, 2525300, 4040480, 5050600, 10101200, 20202400]

約数ペア:

[(1, 20202400), (2, 10101200), (4, 5050600), (5, 4040480), (8, 2525300), (10, 2020240), (16, 1262650), (20, 1010120), (25, 808096), (32, 631325), (40, 505060), (50, 404048), (80, 252530), (100, 202024), (160, 126265), (200, 101012), (400, 50506), (800, 25253)]