20239000

素因数分解:

$2^3\times 5^3\times {\mathrm{37}}^1\times {\mathrm{547}}^1$

素因数の和:605

約数の個数: 64

約数和(自身を含む): 48728160

約数和(自身を除く): 28489160

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 50, 74, 100, 125, 148, 185, 200, 250, 296, 370, 500, 547, 740, 925, 1000, 1094, 1480, 1850, 2188, 2735, 3700, 4376, 4625, 5470, 7400, 9250, 10940, 13675, 18500, 20239, 21880, 27350, 37000, 40478, 54700, 68375, 80956, 101195, 109400, 136750, 161912, 202390, 273500, 404780, 505975, 547000, 809560, 1011950, 2023900, 2529875, 4047800, 5059750, 10119500, 20239000]

約数ペア:

[(1, 20239000), (2, 10119500), (4, 5059750), (5, 4047800), (8, 2529875), (10, 2023900), (20, 1011950), (25, 809560), (37, 547000), (40, 505975), (50, 404780), (74, 273500), (100, 202390), (125, 161912), (148, 136750), (185, 109400), (200, 101195), (250, 80956), (296, 68375), (370, 54700), (500, 40478), (547, 37000), (740, 27350), (925, 21880), (1000, 20239), (1094, 18500), (1480, 13675), (1850, 10940), (2188, 9250), (2735, 7400), (3700, 5470), (4376, 4625)]