20571447

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{2207}}^1$

素因数の和:2462

約数の個数: 16

約数和(自身を含む): 29675520

約数和(自身を除く): 9104073

約数列:

[1, 3, 13, 39, 239, 717, 2207, 3107, 6621, 9321, 28691, 86073, 527473, 1582419, 6857149, 20571447]

約数ペア:

[(1, 20571447), (3, 6857149), (13, 1582419), (39, 527473), (239, 86073), (717, 28691), (2207, 9321), (3107, 6621)]