20128911

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{7349}}^1$

素因数の和:7446

約数の個数: 16

約数和(自身を含む): 29635200

約数和(自身を除く): 9506289

約数列:

[1, 3, 11, 33, 83, 249, 913, 2739, 7349, 22047, 80839, 242517, 609967, 1829901, 6709637, 20128911]

約数ペア:

[(1, 20128911), (3, 6709637), (11, 1829901), (33, 609967), (83, 242517), (249, 80839), (913, 22047), (2739, 7349)]