20741008

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{68227}}^1$

素因数の和:68254

約数の個数: 20

約数和(自身を含む): 42301360

約数和(自身を除く): 21560352

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 68227, 136454, 272908, 545816, 1091632, 1296313, 2592626, 5185252, 10370504, 20741008]

約数ペア:

[(1, 20741008), (2, 10370504), (4, 5185252), (8, 2592626), (16, 1296313), (19, 1091632), (38, 545816), (76, 272908), (152, 136454), (304, 68227)]