20447138

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{337}}^1\times {\mathrm{1319}}^1$

素因数の和:1681

約数の個数: 16

約数和(自身を含む): 32123520

約数和(自身を除く): 11676382

約数列:

[1, 2, 23, 46, 337, 674, 1319, 2638, 7751, 15502, 30337, 60674, 444503, 889006, 10223569, 20447138]

約数ペア:

[(1, 20447138), (2, 10223569), (23, 889006), (46, 444503), (337, 60674), (674, 30337), (1319, 15502), (2638, 7751)]