20149405906

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{38898467}}^1$

素因数の和:38898513

約数の個数: 16

約数和(自身を含む): 35475402816

約数和(自身を除く): 15325996910

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 38898467, 77796934, 272289269, 544578538, 1439243279, 2878486558, 10074702953, 20149405906]

約数ペア:

[(1, 20149405906), (2, 10074702953), (7, 2878486558), (14, 1439243279), (37, 544578538), (74, 272289269), (259, 77796934), (518, 38898467)]