20781617766

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{928331}}^1$

素因数の和:928397

約数の個数: 64

約数和(自身を含む): 52402484736

約数和(自身を除く): 31620866970

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 41, 42, 78, 82, 91, 123, 182, 246, 273, 287, 533, 546, 574, 861, 1066, 1599, 1722, 3198, 3731, 7462, 11193, 22386, 928331, 1856662, 2784993, 5569986, 6498317, 12068303, 12996634, 19494951, 24136606, 36204909, 38061571, 38989902, 72409818, 76123142, 84478121, 114184713, 168956242, 228369426, 253434363, 266430997, 494800423, 506868726, 532861994, 799292991, 989600846, 1484401269, 1598585982, 2968802538, 3463602961, 6927205922, 10390808883, 20781617766]

約数ペア:

[(1, 20781617766), (2, 10390808883), (3, 6927205922), (6, 3463602961), (7, 2968802538), (13, 1598585982), (14, 1484401269), (21, 989600846), (26, 799292991), (39, 532861994), (41, 506868726), (42, 494800423), (78, 266430997), (82, 253434363), (91, 228369426), (123, 168956242), (182, 114184713), (246, 84478121), (273, 76123142), (287, 72409818), (533, 38989902), (546, 38061571), (574, 36204909), (861, 24136606), (1066, 19494951), (1599, 12996634), (1722, 12068303), (3198, 6498317), (3731, 5569986), (7462, 2784993), (11193, 1856662), (22386, 928331)]