20803750348

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{419329}}^1$

素因数の和:419569

約数の個数: 24

約数和(自身を含む): 37102318400

約数和(自身を除く): 16298568052

約数列:

[1, 2, 4, 79, 157, 158, 314, 316, 628, 12403, 24806, 49612, 419329, 838658, 1677316, 33126991, 65834653, 66253982, 131669306, 132507964, 263338612, 5200937587, 10401875174, 20803750348]

約数ペア:

[(1, 20803750348), (2, 10401875174), (4, 5200937587), (79, 263338612), (157, 132507964), (158, 131669306), (314, 66253982), (316, 65834653), (628, 33126991), (12403, 1677316), (24806, 838658), (49612, 419329)]