20809466

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{1571}}^1$

素因数の和:1789

約数の個数: 16

約数和(自身を含む): 32257440

約数和(自身を除く): 11447974

約数列:

[1, 2, 37, 74, 179, 358, 1571, 3142, 6623, 13246, 58127, 116254, 281209, 562418, 10404733, 20809466]

約数ペア:

[(1, 20809466), (2, 10404733), (37, 562418), (74, 281209), (179, 116254), (358, 58127), (1571, 13246), (3142, 6623)]