20148664460

素因数分解:

$2^2\times 5^1\times {\mathrm{8263}}^1\times {\mathrm{121921}}^1$

素因数の和:130193

約数の個数: 24

約数和(自身を含む): 42317663136

約数和(自身を除く): 22168998676

約数列:

[1, 2, 4, 5, 10, 20, 8263, 16526, 33052, 41315, 82630, 121921, 165260, 243842, 487684, 609605, 1219210, 2438420, 1007433223, 2014866446, 4029732892, 5037166115, 10074332230, 20148664460]

約数ペア:

[(1, 20148664460), (2, 10074332230), (4, 5037166115), (5, 4029732892), (10, 2014866446), (20, 1007433223), (8263, 2438420), (16526, 1219210), (33052, 609605), (41315, 487684), (82630, 243842), (121921, 165260)]