20809211584

素因数分解:

$2^6\times 7^1\times {\mathrm{2617}}^1\times {\mathrm{17749}}^1$

素因数の和:20385

約数の個数: 56

約数和(自身を含む): 47213012000

約数和(自身を除く): 26403800416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 2617, 5234, 10468, 17749, 18319, 20936, 35498, 36638, 41872, 70996, 73276, 83744, 124243, 141992, 146552, 167488, 248486, 283984, 293104, 496972, 567968, 586208, 993944, 1135936, 1172416, 1987888, 3975776, 7951552, 46449133, 92898266, 185796532, 325143931, 371593064, 650287862, 743186128, 1300575724, 1486372256, 2601151448, 2972744512, 5202302896, 10404605792, 20809211584]

約数ペア:

[(1, 20809211584), (2, 10404605792), (4, 5202302896), (7, 2972744512), (8, 2601151448), (14, 1486372256), (16, 1300575724), (28, 743186128), (32, 650287862), (56, 371593064), (64, 325143931), (112, 185796532), (224, 92898266), (448, 46449133), (2617, 7951552), (5234, 3975776), (10468, 1987888), (17749, 1172416), (18319, 1135936), (20936, 993944), (35498, 586208), (36638, 567968), (41872, 496972), (70996, 293104), (73276, 283984), (83744, 248486), (124243, 167488), (141992, 146552)]