20130720981

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{11549467}}^1$

素因数の和:11549560

約数の個数: 16

約数和(自身を含む): 31044969984

約数和(自身を除く): 10914249003

約数列:

[1, 3, 7, 21, 83, 249, 581, 1743, 11549467, 34648401, 80846269, 242538807, 958605761, 2875817283, 6710240327, 20130720981]

約数ペア:

[(1, 20130720981), (3, 6710240327), (7, 2875817283), (21, 958605761), (83, 242538807), (249, 80846269), (581, 34648401), (1743, 11549467)]