20194600

素因数分解:

$2^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{2729}}^1$

素因数の和:2782

約数の個数: 48

約数和(自身を含む): 48239100

約数和(自身を除く): 28044500

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, 2729, 3700, 5458, 7400, 10916, 13645, 21832, 27290, 54580, 68225, 100973, 109160, 136450, 201946, 272900, 403892, 504865, 545800, 807784, 1009730, 2019460, 2524325, 4038920, 5048650, 10097300, 20194600]

約数ペア:

[(1, 20194600), (2, 10097300), (4, 5048650), (5, 4038920), (8, 2524325), (10, 2019460), (20, 1009730), (25, 807784), (37, 545800), (40, 504865), (50, 403892), (74, 272900), (100, 201946), (148, 136450), (185, 109160), (200, 100973), (296, 68225), (370, 54580), (740, 27290), (925, 21832), (1480, 13645), (1850, 10916), (2729, 7400), (3700, 5458)]