20344016

素因数分解:

$2^4\times 7^3\times {\mathrm{11}}^1\times {\mathrm{337}}^1$

素因数の和:377

約数の個数: 80

約数和(自身を含む): 50294400

約数和(自身を除く): 29950384

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 308, 337, 343, 392, 539, 616, 674, 686, 784, 1078, 1232, 1348, 1372, 2156, 2359, 2696, 2744, 3707, 3773, 4312, 4718, 5392, 5488, 7414, 7546, 8624, 9436, 14828, 15092, 16513, 18872, 25949, 29656, 30184, 33026, 37744, 51898, 59312, 60368, 66052, 103796, 115591, 132104, 181643, 207592, 231182, 264208, 363286, 415184, 462364, 726572, 924728, 1271501, 1453144, 1849456, 2543002, 2906288, 5086004, 10172008, 20344016]

約数ペア:

[(1, 20344016), (2, 10172008), (4, 5086004), (7, 2906288), (8, 2543002), (11, 1849456), (14, 1453144), (16, 1271501), (22, 924728), (28, 726572), (44, 462364), (49, 415184), (56, 363286), (77, 264208), (88, 231182), (98, 207592), (112, 181643), (154, 132104), (176, 115591), (196, 103796), (308, 66052), (337, 60368), (343, 59312), (392, 51898), (539, 37744), (616, 33026), (674, 30184), (686, 29656), (784, 25949), (1078, 18872), (1232, 16513), (1348, 15092), (1372, 14828), (2156, 9436), (2359, 8624), (2696, 7546), (2744, 7414), (3707, 5488), (3773, 5392), (4312, 4718)]