20099853

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{39181}}^1$

素因数の和:39209

約数の個数: 16

約数和(自身を含む): 31345600

約数和(自身を除く): 11245747

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 39181, 117543, 352629, 744439, 1057887, 2233317, 6699951, 20099853]

約数ペア:

[(1, 20099853), (3, 6699951), (9, 2233317), (19, 1057887), (27, 744439), (57, 352629), (171, 117543), (513, 39181)]