20638662

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:349

約数の個数: 64

約数和(自身を含む): 47900160

約数和(自身を除く): 27261498

約数列:

[1, 2, 3, 6, 11, 22, 29, 33, 41, 58, 66, 82, 87, 123, 174, 246, 263, 319, 451, 526, 638, 789, 902, 957, 1189, 1353, 1578, 1914, 2378, 2706, 2893, 3567, 5786, 7134, 7627, 8679, 10783, 13079, 15254, 17358, 21566, 22881, 26158, 32349, 39237, 45762, 64698, 78474, 83897, 118613, 167794, 237226, 251691, 312707, 355839, 503382, 625414, 711678, 938121, 1876242, 3439777, 6879554, 10319331, 20638662]

約数ペア:

[(1, 20638662), (2, 10319331), (3, 6879554), (6, 3439777), (11, 1876242), (22, 938121), (29, 711678), (33, 625414), (41, 503382), (58, 355839), (66, 312707), (82, 251691), (87, 237226), (123, 167794), (174, 118613), (246, 83897), (263, 78474), (319, 64698), (451, 45762), (526, 39237), (638, 32349), (789, 26158), (902, 22881), (957, 21566), (1189, 17358), (1353, 15254), (1578, 13079), (1914, 10783), (2378, 8679), (2706, 7627), (2893, 7134), (3567, 5786)]