20799224

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{709}}^1$

素因数の和:927

約数の個数: 32

約数和(自身を含む): 41322000

約数和(自身を除く): 20522776

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 193, 386, 709, 772, 1418, 1544, 2836, 3667, 5672, 7334, 13471, 14668, 26942, 29336, 53884, 107768, 136837, 273674, 547348, 1094696, 2599903, 5199806, 10399612, 20799224]

約数ペア:

[(1, 20799224), (2, 10399612), (4, 5199806), (8, 2599903), (19, 1094696), (38, 547348), (76, 273674), (152, 136837), (193, 107768), (386, 53884), (709, 29336), (772, 26942), (1418, 14668), (1544, 13471), (2836, 7334), (3667, 5672)]