20206778

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{7523}}^1$

素因数の和:7621

約数の個数: 16

約数和(自身を含む): 32503680

約数和(自身を除く): 12296902

約数列:

[1, 2, 17, 34, 79, 158, 1343, 2686, 7523, 15046, 127891, 255782, 594317, 1188634, 10103389, 20206778]

約数ペア:

[(1, 20206778), (2, 10103389), (17, 1188634), (34, 594317), (79, 255782), (158, 127891), (1343, 15046), (2686, 7523)]