20488118

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{77023}}^1$

素因数の和:77051

約数の個数: 16

約数和(自身を含む): 36971520

約数和(自身を除く): 16483402

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 77023, 154046, 539161, 1078322, 1463437, 2926874, 10244059, 20488118]

約数ペア:

[(1, 20488118), (2, 10244059), (7, 2926874), (14, 1463437), (19, 1078322), (38, 539161), (133, 154046), (266, 77023)]