20836360

素因数分解:

$2^3\times 5^1\times {\mathrm{359}}^1\times {\mathrm{1451}}^1$

素因数の和:1821

約数の個数: 32

約数和(自身を含む): 47044800

約数和(自身を除く): 26208440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 359, 718, 1436, 1451, 1795, 2872, 2902, 3590, 5804, 7180, 7255, 11608, 14360, 14510, 29020, 58040, 520909, 1041818, 2083636, 2604545, 4167272, 5209090, 10418180, 20836360]

約数ペア:

[(1, 20836360), (2, 10418180), (4, 5209090), (5, 4167272), (8, 2604545), (10, 2083636), (20, 1041818), (40, 520909), (359, 58040), (718, 29020), (1436, 14510), (1451, 14360), (1795, 11608), (2872, 7255), (2902, 7180), (3590, 5804)]