20777458

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{823}}^1\times {\mathrm{971}}^1$

素因数の和:1809

約数の個数: 16

約数和(自身を含む): 33638976

約数和(自身を除く): 12861518

約数列:

[1, 2, 13, 26, 823, 971, 1646, 1942, 10699, 12623, 21398, 25246, 799133, 1598266, 10388729, 20777458]

約数ペア:

[(1, 20777458), (2, 10388729), (13, 1598266), (26, 799133), (823, 25246), (971, 21398), (1646, 12623), (1942, 10699)]