20852671

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1889}}^1$

素因数の和:1998

約数の個数: 16

約数和(自身を含む): 25401600

約数和(自身を除く): 4548929

約数列:

[1, 7, 19, 83, 133, 581, 1577, 1889, 11039, 13223, 35891, 156787, 251237, 1097509, 2978953, 20852671]

約数ペア:

[(1, 20852671), (7, 2978953), (19, 1097509), (83, 251237), (133, 156787), (581, 35891), (1577, 13223), (1889, 11039)]