20571966

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{16097}}^1$

素因数の和:16176

約数の個数: 24

約数和(自身を含む): 45203184

約数和(自身を除く): 24631218

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 16097, 32194, 48291, 96582, 144873, 289746, 1142887, 2285774, 3428661, 6857322, 10285983, 20571966]

約数ペア:

[(1, 20571966), (2, 10285983), (3, 6857322), (6, 3428661), (9, 2285774), (18, 1142887), (71, 289746), (142, 144873), (213, 96582), (426, 48291), (639, 32194), (1278, 16097)]