20793604

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{4493}}^1$

素因数の和:4599

約数の個数: 24

約数和(自身を含む): 39637080

約数和(自身を除く): 18843476

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4493, 4628, 8986, 17972, 58409, 116818, 233636, 399877, 799754, 1599508, 5198401, 10396802, 20793604]

約数ペア:

[(1, 20793604), (2, 10396802), (4, 5198401), (13, 1599508), (26, 799754), (52, 399877), (89, 233636), (178, 116818), (356, 58409), (1157, 17972), (2314, 8986), (4493, 4628)]