20964144

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:338

約数の個数: 80

約数和(自身を含む): 57774080

約数和(自身を除く): 36809936

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 127, 152, 181, 228, 254, 304, 362, 381, 456, 508, 543, 724, 762, 912, 1016, 1086, 1448, 1524, 2032, 2172, 2413, 2896, 3048, 3439, 4344, 4826, 6096, 6878, 7239, 8688, 9652, 10317, 13756, 14478, 19304, 20634, 22987, 27512, 28956, 38608, 41268, 45974, 55024, 57912, 68961, 82536, 91948, 115824, 137922, 165072, 183896, 275844, 367792, 436753, 551688, 873506, 1103376, 1310259, 1747012, 2620518, 3494024, 5241036, 6988048, 10482072, 20964144]

約数ペア:

[(1, 20964144), (2, 10482072), (3, 6988048), (4, 5241036), (6, 3494024), (8, 2620518), (12, 1747012), (16, 1310259), (19, 1103376), (24, 873506), (38, 551688), (48, 436753), (57, 367792), (76, 275844), (114, 183896), (127, 165072), (152, 137922), (181, 115824), (228, 91948), (254, 82536), (304, 68961), (362, 57912), (381, 55024), (456, 45974), (508, 41268), (543, 38608), (724, 28956), (762, 27512), (912, 22987), (1016, 20634), (1086, 19304), (1448, 14478), (1524, 13756), (2032, 10317), (2172, 9652), (2413, 8688), (2896, 7239), (3048, 6878), (3439, 6096), (4344, 4826)]