20954500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{5987}}^1$

素因数の和:6013

約数の個数: 48

約数和(自身を含む): 52311168

約数和(自身を除く): 31356668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 875, 1750, 3500, 5987, 11974, 23948, 29935, 41909, 59870, 83818, 119740, 149675, 167636, 209545, 299350, 419090, 598700, 748375, 838180, 1047725, 1496750, 2095450, 2993500, 4190900, 5238625, 10477250, 20954500]

約数ペア:

[(1, 20954500), (2, 10477250), (4, 5238625), (5, 4190900), (7, 2993500), (10, 2095450), (14, 1496750), (20, 1047725), (25, 838180), (28, 748375), (35, 598700), (50, 419090), (70, 299350), (100, 209545), (125, 167636), (140, 149675), (175, 119740), (250, 83818), (350, 59870), (500, 41909), (700, 29935), (875, 23948), (1750, 11974), (3500, 5987)]