20004768

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{9923}}^1$

素因数の和:9946

約数の個数: 72

約数和(自身を含む): 65022048

約数和(自身を除く): 45017280

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, 9923, 19846, 29769, 39692, 59538, 69461, 79384, 89307, 119076, 138922, 158768, 178614, 208383, 238152, 277844, 317536, 357228, 416766, 476304, 555688, 625149, 714456, 833532, 952608, 1111376, 1250298, 1428912, 1667064, 2222752, 2500596, 2857824, 3334128, 5001192, 6668256, 10002384, 20004768]

約数ペア:

[(1, 20004768), (2, 10002384), (3, 6668256), (4, 5001192), (6, 3334128), (7, 2857824), (8, 2500596), (9, 2222752), (12, 1667064), (14, 1428912), (16, 1250298), (18, 1111376), (21, 952608), (24, 833532), (28, 714456), (32, 625149), (36, 555688), (42, 476304), (48, 416766), (56, 357228), (63, 317536), (72, 277844), (84, 238152), (96, 208383), (112, 178614), (126, 158768), (144, 138922), (168, 119076), (224, 89307), (252, 79384), (288, 69461), (336, 59538), (504, 39692), (672, 29769), (1008, 19846), (2016, 9923)]