20175681008

素因数分解:

$2^4\times 7^2\times {\mathrm{263}}^1\times {\mathrm{97849}}^1$

素因数の和:98134

約数の個数: 60

約数和(自身を含む): 45645850800

約数和(自身を除く): 25470169792

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 263, 392, 526, 784, 1052, 1841, 2104, 3682, 4208, 7364, 12887, 14728, 25774, 29456, 51548, 97849, 103096, 195698, 206192, 391396, 684943, 782792, 1369886, 1565584, 2739772, 4794601, 5479544, 9589202, 10959088, 19178404, 25734287, 38356808, 51468574, 76713616, 102937148, 180140009, 205874296, 360280018, 411748592, 720560036, 1260980063, 1441120072, 2521960126, 2882240144, 5043920252, 10087840504, 20175681008]

約数ペア:

[(1, 20175681008), (2, 10087840504), (4, 5043920252), (7, 2882240144), (8, 2521960126), (14, 1441120072), (16, 1260980063), (28, 720560036), (49, 411748592), (56, 360280018), (98, 205874296), (112, 180140009), (196, 102937148), (263, 76713616), (392, 51468574), (526, 38356808), (784, 25734287), (1052, 19178404), (1841, 10959088), (2104, 9589202), (3682, 5479544), (4208, 4794601), (7364, 2739772), (12887, 1565584), (14728, 1369886), (25774, 782792), (29456, 684943), (51548, 391396), (97849, 206192), (103096, 195698)]