20827513

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{331}}^1$

素因数の和:528

約数の個数: 16

約数和(自身を含む): 24382080

約数和(自身を除く): 3554567

約数列:

[1, 7, 89, 101, 331, 623, 707, 2317, 8989, 29459, 33431, 62923, 206213, 234017, 2975359, 20827513]

約数ペア:

[(1, 20827513), (7, 2975359), (89, 234017), (101, 206213), (331, 62923), (623, 33431), (707, 29459), (2317, 8989)]