20208604

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{569}}^1\times {\mathrm{683}}^1$

素因数の和:1269

約数の個数: 24

約数和(自身を含む): 38208240

約数和(自身を除く): 17999636

約数列:

[1, 2, 4, 13, 26, 52, 569, 683, 1138, 1366, 2276, 2732, 7397, 8879, 14794, 17758, 29588, 35516, 388627, 777254, 1554508, 5052151, 10104302, 20208604]

約数ペア:

[(1, 20208604), (2, 10104302), (4, 5052151), (13, 1554508), (26, 777254), (52, 388627), (569, 35516), (683, 29588), (1138, 17758), (1366, 14794), (2276, 8879), (2732, 7397)]