20736040887

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{165887}}^1$

素因数の和:165972

約数の個数: 48

約数和(自身を含む): 34159656960

約数和(自身を除く): 13423616073

約数列:

[1, 3, 9, 17, 19, 43, 51, 57, 129, 153, 171, 323, 387, 731, 817, 969, 2193, 2451, 2907, 6579, 7353, 13889, 41667, 125001, 165887, 497661, 1492983, 2820079, 3151853, 7133141, 8460237, 9455559, 21399423, 25380711, 28366677, 53581501, 64198269, 121263397, 135529679, 160744503, 363790191, 406589037, 482233509, 1091370573, 1219767111, 2304004543, 6912013629, 20736040887]

約数ペア:

[(1, 20736040887), (3, 6912013629), (9, 2304004543), (17, 1219767111), (19, 1091370573), (43, 482233509), (51, 406589037), (57, 363790191), (129, 160744503), (153, 135529679), (171, 121263397), (323, 64198269), (387, 53581501), (731, 28366677), (817, 25380711), (969, 21399423), (2193, 9455559), (2451, 8460237), (2907, 7133141), (6579, 3151853), (7353, 2820079), (13889, 1492983), (41667, 497661), (125001, 165887)]