20805213

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{48497}}^1$

素因数の和:48524

約数の個数: 16

約数和(自身を含む): 32590656

約数和(自身を除く): 11785443

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 48497, 145491, 533467, 630461, 1600401, 1891383, 6935071, 20805213]

約数ペア:

[(1, 20805213), (3, 6935071), (11, 1891383), (13, 1600401), (33, 630461), (39, 533467), (143, 145491), (429, 48497)]