20379688

素因数分解:

$2^3\times 7^4\times {\mathrm{1061}}^1$

素因数の和:1095

約数の個数: 40

約数和(自身を含む): 44619930

約数和(自身を除く): 24240242

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1061, 1372, 2122, 2401, 2744, 4244, 4802, 7427, 8488, 9604, 14854, 19208, 29708, 51989, 59416, 103978, 207956, 363923, 415912, 727846, 1455692, 2547461, 2911384, 5094922, 10189844, 20379688]

約数ペア:

[(1, 20379688), (2, 10189844), (4, 5094922), (7, 2911384), (8, 2547461), (14, 1455692), (28, 727846), (49, 415912), (56, 363923), (98, 207956), (196, 103978), (343, 59416), (392, 51989), (686, 29708), (1061, 19208), (1372, 14854), (2122, 9604), (2401, 8488), (2744, 7427), (4244, 4802)]