20901824

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{17189}}^1$

素因数の和:17220

約数の個数: 28

約数和(自身を含む): 43662600

約数和(自身を除く): 22760776

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 17189, 34378, 68756, 137512, 275024, 326591, 550048, 653182, 1100096, 1306364, 2612728, 5225456, 10450912, 20901824]

約数ペア:

[(1, 20901824), (2, 10450912), (4, 5225456), (8, 2612728), (16, 1306364), (19, 1100096), (32, 653182), (38, 550048), (64, 326591), (76, 275024), (152, 137512), (304, 68756), (608, 34378), (1216, 17189)]