20570979

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47951}}^1$

素因数の和:47978

約数の個数: 16

約数和(自身を含む): 32223744

約数和(自身を除く): 11652765

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 47951, 143853, 527461, 623363, 1582383, 1870089, 6856993, 20570979]

約数ペア:

[(1, 20570979), (3, 6856993), (11, 1870089), (13, 1582383), (33, 623363), (39, 527461), (143, 143853), (429, 47951)]