20259315

素因数分解:

$3^4\times 5^1\times {\mathrm{50023}}^1$

素因数の和:50040

約数の個数: 20

約数和(自身を含む): 36317424

約数和(自身を除く): 16058109

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 50023, 150069, 250115, 450207, 750345, 1350621, 2251035, 4051863, 6753105, 20259315]

約数ペア:

[(1, 20259315), (3, 6753105), (5, 4051863), (9, 2251035), (15, 1350621), (27, 750345), (45, 450207), (81, 250115), (135, 150069), (405, 50023)]