20774800

素因数分解:

$2^4\times 5^2\times {\mathrm{167}}^1\times {\mathrm{311}}^1$

素因数の和:496

約数の個数: 60

約数和(自身を含む): 50371776

約数和(自身を除く): 29596976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 167, 200, 311, 334, 400, 622, 668, 835, 1244, 1336, 1555, 1670, 2488, 2672, 3110, 3340, 4175, 4976, 6220, 6680, 7775, 8350, 12440, 13360, 15550, 16700, 24880, 31100, 33400, 51937, 62200, 66800, 103874, 124400, 207748, 259685, 415496, 519370, 830992, 1038740, 1298425, 2077480, 2596850, 4154960, 5193700, 10387400, 20774800]

約数ペア:

[(1, 20774800), (2, 10387400), (4, 5193700), (5, 4154960), (8, 2596850), (10, 2077480), (16, 1298425), (20, 1038740), (25, 830992), (40, 519370), (50, 415496), (80, 259685), (100, 207748), (167, 124400), (200, 103874), (311, 66800), (334, 62200), (400, 51937), (622, 33400), (668, 31100), (835, 24880), (1244, 16700), (1336, 15550), (1555, 13360), (1670, 12440), (2488, 8350), (2672, 7775), (3110, 6680), (3340, 6220), (4175, 4976)]