20524826

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:259

約数の個数: 48

約数和(自身を含む): 38468160

約数和(自身を除く): 17943334

約数列:

[1, 2, 7, 14, 19, 38, 49, 73, 98, 133, 146, 151, 266, 302, 511, 931, 1022, 1057, 1387, 1862, 2114, 2774, 2869, 3577, 5738, 7154, 7399, 9709, 11023, 14798, 19418, 20083, 22046, 40166, 67963, 77161, 135926, 140581, 154322, 209437, 281162, 418874, 540127, 1080254, 1466059, 2932118, 10262413, 20524826]

約数ペア:

[(1, 20524826), (2, 10262413), (7, 2932118), (14, 1466059), (19, 1080254), (38, 540127), (49, 418874), (73, 281162), (98, 209437), (133, 154322), (146, 140581), (151, 135926), (266, 77161), (302, 67963), (511, 40166), (931, 22046), (1022, 20083), (1057, 19418), (1387, 14798), (1862, 11023), (2114, 9709), (2774, 7399), (2869, 7154), (3577, 5738)]