20174959539

素因数分解:

$3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{911}}^1\times {\mathrm{2239}}^1$

素因数の和:3320

約数の個数: 48

約数和(自身を含む): 33568604160

約数和(自身を除く): 13393644621

約数列:

[1, 3, 7, 9, 21, 63, 157, 471, 911, 1099, 1413, 2239, 2733, 3297, 6377, 6717, 8199, 9891, 15673, 19131, 20151, 47019, 57393, 141057, 143027, 351523, 429081, 1001189, 1054569, 1287243, 2039729, 2460661, 3003567, 3163707, 6119187, 7381983, 9010701, 14278103, 18357561, 22145949, 42834309, 128502927, 320237453, 960712359, 2241662171, 2882137077, 6724986513, 20174959539]

約数ペア:

[(1, 20174959539), (3, 6724986513), (7, 2882137077), (9, 2241662171), (21, 960712359), (63, 320237453), (157, 128502927), (471, 42834309), (911, 22145949), (1099, 18357561), (1413, 14278103), (2239, 9010701), (2733, 7381983), (3297, 6119187), (6377, 3163707), (6717, 3003567), (8199, 2460661), (9891, 2039729), (15673, 1287243), (19131, 1054569), (20151, 1001189), (47019, 429081), (57393, 351523), (141057, 143027)]