20856276

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{82763}}^1$

素因数の和:82780

約数の個数: 36

約数和(自身を含む): 60252192

約数和(自身を除く): 39395916

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 82763, 165526, 248289, 331052, 496578, 579341, 744867, 993156, 1158682, 1489734, 1738023, 2317364, 2979468, 3476046, 5214069, 6952092, 10428138, 20856276]

約数ペア:

[(1, 20856276), (2, 10428138), (3, 6952092), (4, 5214069), (6, 3476046), (7, 2979468), (9, 2317364), (12, 1738023), (14, 1489734), (18, 1158682), (21, 993156), (28, 744867), (36, 579341), (42, 496578), (63, 331052), (84, 248289), (126, 165526), (252, 82763)]