20120681745

素因数分解:

$3^3\times 5^1\times {\mathrm{7853}}^1\times {\mathrm{18979}}^1$

素因数の和:26846

約数の個数: 32

約数和(自身を含む): 35776540800

約数和(自身を除く): 15655859055

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 7853, 18979, 23559, 39265, 56937, 70677, 94895, 117795, 170811, 212031, 284685, 353385, 512433, 854055, 1060155, 2562165, 149042087, 447126261, 745210435, 1341378783, 2235631305, 4024136349, 6706893915, 20120681745]

約数ペア:

[(1, 20120681745), (3, 6706893915), (5, 4024136349), (9, 2235631305), (15, 1341378783), (27, 745210435), (45, 447126261), (135, 149042087), (7853, 2562165), (18979, 1060155), (23559, 854055), (39265, 512433), (56937, 353385), (70677, 284685), (94895, 212031), (117795, 170811)]