20054942

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{10139}}^1$

素因数の和:10207

約数の個数: 16

約数和(自身を含む): 32123520

約数和(自身を除く): 12068578

約数列:

[1, 2, 23, 43, 46, 86, 989, 1978, 10139, 20278, 233197, 435977, 466394, 871954, 10027471, 20054942]

約数ペア:

[(1, 20054942), (2, 10027471), (23, 871954), (43, 466394), (46, 435977), (86, 233197), (989, 20278), (1978, 10139)]