20799610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{829}}^1$

素因数の和:1042

約数の個数: 32

約数和(自身を含む): 40577040

約数和(自身を除く): 19777430

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 193, 386, 829, 965, 1658, 1930, 2509, 4145, 5018, 8290, 10777, 12545, 21554, 25090, 53885, 107770, 159997, 319994, 799985, 1599970, 2079961, 4159922, 10399805, 20799610]

約数ペア:

[(1, 20799610), (2, 10399805), (5, 4159922), (10, 2079961), (13, 1599970), (26, 799985), (65, 319994), (130, 159997), (193, 107770), (386, 53885), (829, 25090), (965, 21554), (1658, 12545), (1930, 10777), (2509, 8290), (4145, 5018)]