20027870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{117811}}^1$

素因数の和:117835

約数の個数: 16

約数和(自身を含む): 38171088

約数和(自身を除く): 18143218

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 117811, 235622, 589055, 1178110, 2002787, 4005574, 10013935, 20027870]

約数ペア:

[(1, 20027870), (2, 10013935), (5, 4005574), (10, 2002787), (17, 1178110), (34, 589055), (85, 235622), (170, 117811)]