20188266880019

素因数分解:

$7^4\times {\mathrm{30937}}^1\times {\mathrm{271787}}^1$

素因数の和:302752

約数の個数: 20

約数和(自身を含む): 23552424580344

約数和(自身を除く): 3364157700325

約数列:

[1, 7, 49, 343, 2401, 30937, 216559, 271787, 1515913, 1902509, 10611391, 13317563, 74279737, 93222941, 652560587, 8408274419, 58857920933, 412005446531, 2884038125717, 20188266880019]

約数ペア:

[(1, 20188266880019), (7, 2884038125717), (49, 412005446531), (343, 58857920933), (2401, 8408274419), (30937, 652560587), (216559, 93222941), (271787, 74279737), (1515913, 13317563), (1902509, 10611391)]