20013404

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{5059}}^1$

素因数の和:5129

約数の個数: 24

約数和(自身を含む): 37403520

約数和(自身を除く): 17390116

約数列:

[1, 2, 4, 23, 43, 46, 86, 92, 172, 989, 1978, 3956, 5059, 10118, 20236, 116357, 217537, 232714, 435074, 465428, 870148, 5003351, 10006702, 20013404]

約数ペア:

[(1, 20013404), (2, 10006702), (4, 5003351), (23, 870148), (43, 465428), (46, 435074), (86, 232714), (92, 217537), (172, 116357), (989, 20236), (1978, 10118), (3956, 5059)]