20273912

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1607}}^1$

素因数の和:1715

約数の個数: 32

約数和(自身を含む): 40521600

約数和(自身を除く): 20247688

約数列:

[1, 2, 4, 8, 19, 38, 76, 83, 152, 166, 332, 664, 1577, 1607, 3154, 3214, 6308, 6428, 12616, 12856, 30533, 61066, 122132, 133381, 244264, 266762, 533524, 1067048, 2534239, 5068478, 10136956, 20273912]

約数ペア:

[(1, 20273912), (2, 10136956), (4, 5068478), (8, 2534239), (19, 1067048), (38, 533524), (76, 266762), (83, 244264), (152, 133381), (166, 122132), (332, 61066), (664, 30533), (1577, 12856), (1607, 12616), (3154, 6428), (3214, 6308)]