20988528036

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{839}}^1\times {\mathrm{297811}}^1$

素因数の和:298664

約数の個数: 48

約数和(自身を含む): 56036305920

約数和(自身を除く): 35047777884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 839, 1678, 2517, 3356, 5034, 5873, 10068, 11746, 17619, 23492, 35238, 70476, 297811, 595622, 893433, 1191244, 1786866, 2084677, 3573732, 4169354, 6254031, 8338708, 12508062, 25016124, 249863429, 499726858, 749590287, 999453716, 1499180574, 1749044003, 2998361148, 3498088006, 5247132009, 6996176012, 10494264018, 20988528036]

約数ペア:

[(1, 20988528036), (2, 10494264018), (3, 6996176012), (4, 5247132009), (6, 3498088006), (7, 2998361148), (12, 1749044003), (14, 1499180574), (21, 999453716), (28, 749590287), (42, 499726858), (84, 249863429), (839, 25016124), (1678, 12508062), (2517, 8338708), (3356, 6254031), (5034, 4169354), (5873, 3573732), (10068, 2084677), (11746, 1786866), (17619, 1191244), (23492, 893433), (35238, 595622), (70476, 297811)]