20121608435

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{720301}}^1$

素因数の和:720494

約数の個数: 16

約数和(自身を含む): 24962786112

約数和(自身を除く): 4841177677

約数列:

[1, 5, 37, 151, 185, 755, 5587, 27935, 720301, 3601505, 26651137, 108765451, 133255685, 543827255, 4024321687, 20121608435]

約数ペア:

[(1, 20121608435), (5, 4024321687), (37, 543827255), (151, 133255685), (185, 108765451), (755, 26651137), (5587, 3601505), (27935, 720301)]