20109502

素因数分解:

$2^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{1307}}^1$

素因数の和:1480

約数の個数: 24

約数和(自身を含む): 35339544

約数和(自身を除く): 15230042

約数列:

[1, 2, 7, 14, 49, 98, 157, 314, 1099, 1307, 2198, 2614, 7693, 9149, 15386, 18298, 64043, 128086, 205199, 410398, 1436393, 2872786, 10054751, 20109502]

約数ペア:

[(1, 20109502), (2, 10054751), (7, 2872786), (14, 1436393), (49, 410398), (98, 205199), (157, 128086), (314, 64043), (1099, 18298), (1307, 15386), (2198, 9149), (2614, 7693)]