20964384

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{10399}}^1$

素因数の和:10422

約数の個数: 72

約数和(自身を含む): 68140800

約数和(自身を除く): 47176416

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 10399, 20798, 31197, 41596, 62394, 72793, 83192, 93591, 124788, 145586, 166384, 187182, 218379, 249576, 291172, 332768, 374364, 436758, 499152, 582344, 655137, 748728, 873516, 998304, 1164688, 1310274, 1497456, 1747032, 2329376, 2620548, 2994912, 3494064, 5241096, 6988128, 10482192, 20964384]

約数ペア:

[(1, 20964384), (2, 10482192), (3, 6988128), (4, 5241096), (6, 3494064), (7, 2994912), (8, 2620548), (9, 2329376), (12, 1747032), (14, 1497456), (16, 1310274), (18, 1164688), (21, 998304), (24, 873516), (28, 748728), (32, 655137), (36, 582344), (42, 499152), (48, 436758), (56, 374364), (63, 332768), (72, 291172), (84, 249576), (96, 218379), (112, 187182), (126, 166384), (144, 145586), (168, 124788), (224, 93591), (252, 83192), (288, 72793), (336, 62394), (504, 41596), (672, 31197), (1008, 20798), (2016, 10399)]