20780490050

素因数分解:

$2^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{5007347}}^1$

素因数の和:5007442

約数の個数: 24

約数和(自身を含む): 39117402576

約数和(自身を除く): 18336912526

約数列:

[1, 2, 5, 10, 25, 50, 83, 166, 415, 830, 2075, 4150, 5007347, 10014694, 25036735, 50073470, 125183675, 250367350, 415609801, 831219602, 2078049005, 4156098010, 10390245025, 20780490050]

約数ペア:

[(1, 20780490050), (2, 10390245025), (5, 4156098010), (10, 2078049005), (25, 831219602), (50, 415609801), (83, 250367350), (166, 125183675), (415, 50073470), (830, 25036735), (2075, 10014694), (4150, 5007347)]