16923080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9839}}^1$

素因数の和:9893

約数の個数: 32

約数和(自身を含む): 38966400

約数和(自身を除く): 22043320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 9839, 19678, 39356, 49195, 78712, 98390, 196780, 393560, 423077, 846154, 1692308, 2115385, 3384616, 4230770, 8461540, 16923080]

約数ペア:

[(1, 16923080), (2, 8461540), (4, 4230770), (5, 3384616), (8, 2115385), (10, 1692308), (20, 846154), (40, 423077), (43, 393560), (86, 196780), (172, 98390), (215, 78712), (344, 49195), (430, 39356), (860, 19678), (1720, 9839)]