20348650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1237}}^1$

素因数の和:1303

約数の個数: 48

約数和(自身を含む): 44211456

約数和(自身を除く): 23862806

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 47, 50, 70, 94, 175, 235, 329, 350, 470, 658, 1175, 1237, 1645, 2350, 2474, 3290, 6185, 8225, 8659, 12370, 16450, 17318, 30925, 43295, 58139, 61850, 86590, 116278, 216475, 290695, 406973, 432950, 581390, 813946, 1453475, 2034865, 2906950, 4069730, 10174325, 20348650]

約数ペア:

[(1, 20348650), (2, 10174325), (5, 4069730), (7, 2906950), (10, 2034865), (14, 1453475), (25, 813946), (35, 581390), (47, 432950), (50, 406973), (70, 290695), (94, 216475), (175, 116278), (235, 86590), (329, 61850), (350, 58139), (470, 43295), (658, 30925), (1175, 17318), (1237, 16450), (1645, 12370), (2350, 8659), (2474, 8225), (3290, 6185)]