20138811

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{87181}}^1$

素因数の和:87202

約数の個数: 16

約数和(自身を含む): 33477888

約数和(自身を除く): 13339077

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 87181, 261543, 610267, 958991, 1830801, 2876973, 6712937, 20138811]

約数ペア:

[(1, 20138811), (3, 6712937), (7, 2876973), (11, 1830801), (21, 958991), (33, 610267), (77, 261543), (231, 87181)]