20280491217

素因数分解:

$3^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1418117}}^1$

素因数の和:1418357

約数の個数: 24

約数和(自身を含む): 33626414016

約数和(自身を除く): 13345922799

約数列:

[1, 3, 7, 9, 21, 63, 227, 681, 1589, 2043, 4767, 14301, 1418117, 4254351, 9926819, 12763053, 29780457, 89341371, 321912559, 965737677, 2253387913, 2897213031, 6760163739, 20280491217]

約数ペア:

[(1, 20280491217), (3, 6760163739), (7, 2897213031), (9, 2253387913), (21, 965737677), (63, 321912559), (227, 89341371), (681, 29780457), (1589, 12763053), (2043, 9926819), (4767, 4254351), (14301, 1418117)]