20527308

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^2\times {\mathrm{107}}^1$

素因数の和:263

約数の個数: 54

約数和(自身を含む): 53100684

約数和(自身を除く): 32573376

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 107, 146, 214, 219, 292, 321, 428, 438, 642, 657, 876, 963, 1284, 1314, 1926, 2628, 3852, 5329, 7811, 10658, 15622, 15987, 21316, 23433, 31244, 31974, 46866, 47961, 63948, 70299, 93732, 95922, 140598, 191844, 281196, 570203, 1140406, 1710609, 2280812, 3421218, 5131827, 6842436, 10263654, 20527308]

約数ペア:

[(1, 20527308), (2, 10263654), (3, 6842436), (4, 5131827), (6, 3421218), (9, 2280812), (12, 1710609), (18, 1140406), (36, 570203), (73, 281196), (107, 191844), (146, 140598), (214, 95922), (219, 93732), (292, 70299), (321, 63948), (428, 47961), (438, 46866), (642, 31974), (657, 31244), (876, 23433), (963, 21316), (1284, 15987), (1314, 15622), (1926, 10658), (2628, 7811), (3852, 5329)]