20736558

素因数分解:

$2^1\times 3^2\times {\mathrm{359}}^1\times {\mathrm{3209}}^1$

素因数の和:3576

約数の個数: 24

約数和(自身を含む): 45068400

約数和(自身を除く): 24331842

約数列:

[1, 2, 3, 6, 9, 18, 359, 718, 1077, 2154, 3209, 3231, 6418, 6462, 9627, 19254, 28881, 57762, 1152031, 2304062, 3456093, 6912186, 10368279, 20736558]

約数ペア:

[(1, 20736558), (2, 10368279), (3, 6912186), (6, 3456093), (9, 2304062), (18, 1152031), (359, 57762), (718, 28881), (1077, 19254), (2154, 9627), (3209, 6462), (3231, 6418)]