20660003858

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{18479431}}^1$

素因数の和:18479489

約数の個数: 16

約数和(自身を含む): 34149990336

約数和(自身を除く): 13489986478

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 18479431, 36958862, 240232603, 480465206, 794615533, 1589231066, 10330001929, 20660003858]

約数ペア:

[(1, 20660003858), (2, 10330001929), (13, 1589231066), (26, 794615533), (43, 480465206), (86, 240232603), (559, 36958862), (1118, 18479431)]