20828775

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{25247}}^1$

素因数の和:25271

約数の個数: 24

約数和(自身を含む): 37569024

約数和(自身を除く): 16740249

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 825, 25247, 75741, 126235, 277717, 378705, 631175, 833151, 1388585, 1893525, 4165755, 6942925, 20828775]

約数ペア:

[(1, 20828775), (3, 6942925), (5, 4165755), (11, 1893525), (15, 1388585), (25, 833151), (33, 631175), (55, 378705), (75, 277717), (165, 126235), (275, 75741), (825, 25247)]