20173460

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1559}}^1$

素因数の和:2215

約数の個数: 24

約数和(自身を含む): 42456960

約数和(自身を除く): 22283500

約数列:

[1, 2, 4, 5, 10, 20, 647, 1294, 1559, 2588, 3118, 3235, 6236, 6470, 7795, 12940, 15590, 31180, 1008673, 2017346, 4034692, 5043365, 10086730, 20173460]

約数ペア:

[(1, 20173460), (2, 10086730), (4, 5043365), (5, 4034692), (10, 2017346), (20, 1008673), (647, 31180), (1294, 15590), (1559, 12940), (2588, 7795), (3118, 6470), (3235, 6236)]