20515755

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{8093}}^1$

素因数の和:8127

約数の個数: 24

約数和(自身を含む): 35548848

約数和(自身を除く): 15033093

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 8093, 24279, 40465, 105209, 121395, 315627, 526045, 1367717, 1578135, 4103151, 6838585, 20515755]

約数ペア:

[(1, 20515755), (3, 6838585), (5, 4103151), (13, 1578135), (15, 1367717), (39, 526045), (65, 315627), (169, 121395), (195, 105209), (507, 40465), (845, 24279), (2535, 8093)]