20718608

素因数分解:

$2^4\times {\mathrm{359}}^1\times {\mathrm{3607}}^1$

素因数の和:3974

約数の個数: 20

約数和(自身を含む): 40265280

約数和(自身を除く): 19546672

約数列:

[1, 2, 4, 8, 16, 359, 718, 1436, 2872, 3607, 5744, 7214, 14428, 28856, 57712, 1294913, 2589826, 5179652, 10359304, 20718608]

約数ペア:

[(1, 20718608), (2, 10359304), (4, 5179652), (8, 2589826), (16, 1294913), (359, 57712), (718, 28856), (1436, 14428), (2872, 7214), (3607, 5744)]