20512191573

素因数分解:

$3^6\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{6353}}^1$

素因数の和:6517

約数の個数: 56

約数和(自身を含む): 31779963072

約数和(自身を除く): 11267771499

約数列:

[1, 3, 9, 27, 43, 81, 103, 129, 243, 309, 387, 729, 927, 1161, 2781, 3483, 4429, 6353, 8343, 10449, 13287, 19059, 25029, 31347, 39861, 57177, 75087, 119583, 171531, 273179, 358749, 514593, 654359, 819537, 1076247, 1543779, 1963077, 2458611, 3228741, 4631337, 5889231, 7375833, 17667693, 22127499, 28137437, 53003079, 66382497, 84412311, 159009237, 199147491, 253236933, 477027711, 759710799, 2279132397, 6837397191, 20512191573]

約数ペア:

[(1, 20512191573), (3, 6837397191), (9, 2279132397), (27, 759710799), (43, 477027711), (81, 253236933), (103, 199147491), (129, 159009237), (243, 84412311), (309, 66382497), (387, 53003079), (729, 28137437), (927, 22127499), (1161, 17667693), (2781, 7375833), (3483, 5889231), (4429, 4631337), (6353, 3228741), (8343, 2458611), (10449, 1963077), (13287, 1543779), (19059, 1076247), (25029, 819537), (31347, 654359), (39861, 514593), (57177, 358749), (75087, 273179), (119583, 171531)]