20910400

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{1867}}^1$

素因数の和:1896

約数の個数: 84

約数和(自身を含む): 58834528

約数和(自身を除く): 37924128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 320, 350, 400, 448, 560, 700, 800, 1120, 1400, 1600, 1867, 2240, 2800, 3734, 5600, 7468, 9335, 11200, 13069, 14936, 18670, 26138, 29872, 37340, 46675, 52276, 59744, 65345, 74680, 93350, 104552, 119488, 130690, 149360, 186700, 209104, 261380, 298720, 326725, 373400, 418208, 522760, 597440, 653450, 746800, 836416, 1045520, 1306900, 1493600, 2091040, 2613800, 2987200, 4182080, 5227600, 10455200, 20910400]

約数ペア:

[(1, 20910400), (2, 10455200), (4, 5227600), (5, 4182080), (7, 2987200), (8, 2613800), (10, 2091040), (14, 1493600), (16, 1306900), (20, 1045520), (25, 836416), (28, 746800), (32, 653450), (35, 597440), (40, 522760), (50, 418208), (56, 373400), (64, 326725), (70, 298720), (80, 261380), (100, 209104), (112, 186700), (140, 149360), (160, 130690), (175, 119488), (200, 104552), (224, 93350), (280, 74680), (320, 65345), (350, 59744), (400, 52276), (448, 46675), (560, 37340), (700, 29872), (800, 26138), (1120, 18670), (1400, 14936), (1600, 13069), (1867, 11200), (2240, 9335), (2800, 7468), (3734, 5600)]