20328078

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{78791}}^1$

素因数の和:78839

約数の個数: 16

約数和(自身を含む): 41602176

約数和(自身を除く): 21274098

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 78791, 157582, 236373, 472746, 3388013, 6776026, 10164039, 20328078]

約数ペア:

[(1, 20328078), (2, 10164039), (3, 6776026), (6, 3388013), (43, 472746), (86, 236373), (129, 157582), (258, 78791)]