20652177

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 35163072

約数和(自身を除く): 14510895

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 101, 107, 147, 273, 303, 321, 637, 707, 749, 1313, 1391, 1911, 2121, 2247, 3939, 4173, 4949, 5243, 9191, 9737, 10807, 14847, 15729, 27573, 29211, 32421, 64337, 68159, 75649, 140491, 193011, 204477, 226947, 421473, 529543, 983437, 1588629, 2950311, 6884059, 20652177]

約数ペア:

[(1, 20652177), (3, 6884059), (7, 2950311), (13, 1588629), (21, 983437), (39, 529543), (49, 421473), (91, 226947), (101, 204477), (107, 193011), (147, 140491), (273, 75649), (303, 68159), (321, 64337), (637, 32421), (707, 29211), (749, 27573), (1313, 15729), (1391, 14847), (1911, 10807), (2121, 9737), (2247, 9191), (3939, 5243), (4173, 4949)]