20763080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{39929}}^1$

素因数の和:39953

約数の個数: 32

約数和(自身を含む): 50311800

約数和(自身を除く): 29548720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 39929, 79858, 159716, 199645, 319432, 399290, 519077, 798580, 1038154, 1597160, 2076308, 2595385, 4152616, 5190770, 10381540, 20763080]

約数ペア:

[(1, 20763080), (2, 10381540), (4, 5190770), (5, 4152616), (8, 2595385), (10, 2076308), (13, 1597160), (20, 1038154), (26, 798580), (40, 519077), (52, 399290), (65, 319432), (104, 199645), (130, 159716), (260, 79858), (520, 39929)]