20851933424

素因数分解:

$2^4\times 7^1\times {\mathrm{186177977}}^1$

素因数の和:186177992

約数の個数: 20

約数和(自身を含む): 46172138544

約数和(自身を除く): 25320205120

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 186177977, 372355954, 744711908, 1303245839, 1489423816, 2606491678, 2978847632, 5212983356, 10425966712, 20851933424]

約数ペア:

[(1, 20851933424), (2, 10425966712), (4, 5212983356), (7, 2978847632), (8, 2606491678), (14, 1489423816), (16, 1303245839), (28, 744711908), (56, 372355954), (112, 186177977)]