20777792

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2441}}^1$

素因数の和:2479

約数の個数: 56

約数和(自身を含む): 49621440

約数和(自身を除く): 28843648

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 133, 152, 224, 266, 304, 448, 532, 608, 1064, 1216, 2128, 2441, 4256, 4882, 8512, 9764, 17087, 19528, 34174, 39056, 46379, 68348, 78112, 92758, 136696, 156224, 185516, 273392, 324653, 371032, 546784, 649306, 742064, 1093568, 1298612, 1484128, 2597224, 2968256, 5194448, 10388896, 20777792]

約数ペア:

[(1, 20777792), (2, 10388896), (4, 5194448), (7, 2968256), (8, 2597224), (14, 1484128), (16, 1298612), (19, 1093568), (28, 742064), (32, 649306), (38, 546784), (56, 371032), (64, 324653), (76, 273392), (112, 185516), (133, 156224), (152, 136696), (224, 92758), (266, 78112), (304, 68348), (448, 46379), (532, 39056), (608, 34174), (1064, 19528), (1216, 17087), (2128, 9764), (2441, 8512), (4256, 4882)]