20397780483

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1\times {\mathrm{737207}}^1$

素因数の和:737634

約数の個数: 16

約数和(自身を含む): 28450331136

約数和(自身を除く): 8052550653

約数列:

[1, 3, 23, 69, 401, 1203, 9223, 27669, 737207, 2211621, 16955761, 50867283, 295620007, 886860021, 6799260161, 20397780483]

約数ペア:

[(1, 20397780483), (3, 6799260161), (23, 886860021), (69, 295620007), (401, 50867283), (1203, 16955761), (9223, 2211621), (27669, 737207)]