20538588

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{244507}}^1$

素因数の和:244521

約数の個数: 24

約数和(自身を含む): 54769792

約数和(自身を除く): 34231204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 244507, 489014, 733521, 978028, 1467042, 1711549, 2934084, 3423098, 5134647, 6846196, 10269294, 20538588]

約数ペア:

[(1, 20538588), (2, 10269294), (3, 6846196), (4, 5134647), (6, 3423098), (7, 2934084), (12, 1711549), (14, 1467042), (21, 978028), (28, 733521), (42, 489014), (84, 244507)]