20951152

素因数分解:

$2^4\times {\mathrm{167}}^1\times {\mathrm{7841}}^1$

素因数の和:8016

約数の個数: 20

約数和(自身を含む): 40841136

約数和(自身を除く): 19889984

約数列:

[1, 2, 4, 8, 16, 167, 334, 668, 1336, 2672, 7841, 15682, 31364, 62728, 125456, 1309447, 2618894, 5237788, 10475576, 20951152]

約数ペア:

[(1, 20951152), (2, 10475576), (4, 5237788), (8, 2618894), (16, 1309447), (167, 125456), (334, 62728), (668, 31364), (1336, 15682), (2672, 7841)]