20132725640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1\times {\mathrm{49109}}^1$

素因数の和:49434

約数の個数: 64

約数和(自身を含む): 46691823600

約数和(自身を除く): 26559097960

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 277, 296, 370, 554, 740, 1108, 1385, 1480, 2216, 2770, 5540, 10249, 11080, 20498, 40996, 49109, 51245, 81992, 98218, 102490, 196436, 204980, 245545, 392872, 409960, 491090, 982180, 1817033, 1964360, 3634066, 7268132, 9085165, 13603193, 14536264, 18170330, 27206386, 36340660, 54412772, 68015965, 72681320, 108825544, 136031930, 272063860, 503318141, 544127720, 1006636282, 2013272564, 2516590705, 4026545128, 5033181410, 10066362820, 20132725640]

約数ペア:

[(1, 20132725640), (2, 10066362820), (4, 5033181410), (5, 4026545128), (8, 2516590705), (10, 2013272564), (20, 1006636282), (37, 544127720), (40, 503318141), (74, 272063860), (148, 136031930), (185, 108825544), (277, 72681320), (296, 68015965), (370, 54412772), (554, 36340660), (740, 27206386), (1108, 18170330), (1385, 14536264), (1480, 13603193), (2216, 9085165), (2770, 7268132), (5540, 3634066), (10249, 1964360), (11080, 1817033), (20498, 982180), (40996, 491090), (49109, 409960), (51245, 392872), (81992, 245545), (98218, 204980), (102490, 196436)]