20005951000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{2857993}}^1$

素因数の和:2858021

約数の個数: 64

約数和(自身を含む): 53501647680

約数和(自身を除く): 33495696680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 700, 875, 1000, 1400, 1750, 3500, 7000, 2857993, 5715986, 11431972, 14289965, 20005951, 22863944, 28579930, 40011902, 57159860, 71449825, 80023804, 100029755, 114319720, 142899650, 160047608, 200059510, 285799300, 357249125, 400119020, 500148775, 571598600, 714498250, 800238040, 1000297550, 1428996500, 2000595100, 2500743875, 2857993000, 4001190200, 5001487750, 10002975500, 20005951000]

約数ペア:

[(1, 20005951000), (2, 10002975500), (4, 5001487750), (5, 4001190200), (7, 2857993000), (8, 2500743875), (10, 2000595100), (14, 1428996500), (20, 1000297550), (25, 800238040), (28, 714498250), (35, 571598600), (40, 500148775), (50, 400119020), (56, 357249125), (70, 285799300), (100, 200059510), (125, 160047608), (140, 142899650), (175, 114319720), (200, 100029755), (250, 80023804), (280, 71449825), (350, 57159860), (500, 40011902), (700, 28579930), (875, 22863944), (1000, 20005951), (1400, 14289965), (1750, 11431972), (3500, 5715986), (7000, 2857993)]