20385274

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{16001}}^1$

素因数の和:16030

約数の個数: 24

約数和(自身を含む): 38308788

約数和(自身を除く): 17923514

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 16001, 32002, 112007, 208013, 224014, 416026, 784049, 1456091, 1568098, 2912182, 10192637, 20385274]

約数ペア:

[(1, 20385274), (2, 10192637), (7, 2912182), (13, 1568098), (14, 1456091), (26, 784049), (49, 416026), (91, 224014), (98, 208013), (182, 112007), (637, 32002), (1274, 16001)]