20148

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:103

約数の個数: 24

約数和(自身を含む): 49728

約数和(自身を除く): 29580

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 73, 92, 138, 146, 219, 276, 292, 438, 876, 1679, 3358, 5037, 6716, 10074, 20148]

約数ペア:

[(1, 20148), (2, 10074), (3, 6716), (4, 5037), (6, 3358), (12, 1679), (23, 876), (46, 438), (69, 292), (73, 276), (92, 219), (138, 146)]