20366140

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{4057}}^1$

素因数の和:4317

約数の個数: 24

約数和(自身を含む): 42949872

約数和(自身を除く): 22583732

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 4057, 5020, 8114, 16228, 20285, 40570, 81140, 1018307, 2036614, 4073228, 5091535, 10183070, 20366140]

約数ペア:

[(1, 20366140), (2, 10183070), (4, 5091535), (5, 4073228), (10, 2036614), (20, 1018307), (251, 81140), (502, 40570), (1004, 20285), (1255, 16228), (2510, 8114), (4057, 5020)]