20686540077

素因数分解:

$3^3\times 7^1\times {\mathrm{179}}^1\times {\mathrm{611467}}^1$

素因数の和:611662

約数の個数: 32

約数和(自身を含む): 35220556800

約数和(自身を除く): 14534016723

約数列:

[1, 3, 7, 9, 21, 27, 63, 179, 189, 537, 1253, 1611, 3759, 4833, 11277, 33831, 611467, 1834401, 4280269, 5503203, 12840807, 16509609, 38522421, 109452593, 115567263, 328357779, 766168151, 985073337, 2298504453, 2955220011, 6895513359, 20686540077]

約数ペア:

[(1, 20686540077), (3, 6895513359), (7, 2955220011), (9, 2298504453), (21, 985073337), (27, 766168151), (63, 328357779), (179, 115567263), (189, 109452593), (537, 38522421), (1253, 16509609), (1611, 12840807), (3759, 5503203), (4833, 4280269), (11277, 1834401), (33831, 611467)]