20858782

素因数分解:

$2^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{7487}}^1$

素因数の和:7695

約数の個数: 16

約数和(自身を含む): 35942400

約数和(自身を除く): 15083618

約数列:

[1, 2, 7, 14, 199, 398, 1393, 2786, 7487, 14974, 52409, 104818, 1489913, 2979826, 10429391, 20858782]

約数ペア:

[(1, 20858782), (2, 10429391), (7, 2979826), (14, 1489913), (199, 104818), (398, 52409), (1393, 14974), (2786, 7487)]