20171004

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{240131}}^1$

素因数の和:240145

約数の個数: 24

約数和(自身を含む): 53789568

約数和(自身を除く): 33618564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 240131, 480262, 720393, 960524, 1440786, 1680917, 2881572, 3361834, 5042751, 6723668, 10085502, 20171004]

約数ペア:

[(1, 20171004), (2, 10085502), (3, 6723668), (4, 5042751), (6, 3361834), (7, 2881572), (12, 1680917), (14, 1440786), (21, 960524), (28, 720393), (42, 480262), (84, 240131)]