20342600

素因数分解:

$2^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{2749}}^1$

素因数の和:2802

約数の個数: 48

約数和(自身を含む): 48592500

約数和(自身を除く): 28249900

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 50, 74, 100, 148, 185, 200, 296, 370, 740, 925, 1480, 1850, 2749, 3700, 5498, 7400, 10996, 13745, 21992, 27490, 54980, 68725, 101713, 109960, 137450, 203426, 274900, 406852, 508565, 549800, 813704, 1017130, 2034260, 2542825, 4068520, 5085650, 10171300, 20342600]

約数ペア:

[(1, 20342600), (2, 10171300), (4, 5085650), (5, 4068520), (8, 2542825), (10, 2034260), (20, 1017130), (25, 813704), (37, 549800), (40, 508565), (50, 406852), (74, 274900), (100, 203426), (148, 137450), (185, 109960), (200, 101713), (296, 68725), (370, 54980), (740, 27490), (925, 21992), (1480, 13745), (1850, 10996), (2749, 7400), (3700, 5498)]