20292500

素因数分解:

$2^2\times 5^4\times {\mathrm{8117}}^1$

素因数の和:8141

約数の個数: 30

約数和(自身を含む): 44381106

約数和(自身を除く): 24088606

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 8117, 16234, 32468, 40585, 81170, 162340, 202925, 405850, 811700, 1014625, 2029250, 4058500, 5073125, 10146250, 20292500]

約数ペア:

[(1, 20292500), (2, 10146250), (4, 5073125), (5, 4058500), (10, 2029250), (20, 1014625), (25, 811700), (50, 405850), (100, 202925), (125, 162340), (250, 81170), (500, 40585), (625, 32468), (1250, 16234), (2500, 8117)]