20343550

素因数分解:

$2^1\times 5^2\times {\mathrm{251}}^1\times {\mathrm{1621}}^1$

素因数の和:1884

約数の個数: 24

約数和(自身を含む): 38013192

約数和(自身を除く): 17669642

約数列:

[1, 2, 5, 10, 25, 50, 251, 502, 1255, 1621, 2510, 3242, 6275, 8105, 12550, 16210, 40525, 81050, 406871, 813742, 2034355, 4068710, 10171775, 20343550]

約数ペア:

[(1, 20343550), (2, 10171775), (5, 4068710), (10, 2034355), (25, 813742), (50, 406871), (251, 81050), (502, 40525), (1255, 16210), (1621, 12550), (2510, 8105), (3242, 6275)]