20293203

素因数分解:

$3^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{1087}}^1$

素因数の和:1231

約数の個数: 24

約数和(自身を含む): 31752192

約数和(自身を除く): 11458989

約数列:

[1, 3, 7, 21, 49, 127, 147, 381, 889, 1087, 2667, 3261, 6223, 7609, 18669, 22827, 53263, 138049, 159789, 414147, 966343, 2899029, 6764401, 20293203]

約数ペア:

[(1, 20293203), (3, 6764401), (7, 2899029), (21, 966343), (49, 414147), (127, 159789), (147, 138049), (381, 53263), (889, 22827), (1087, 18669), (2667, 7609), (3261, 6223)]