20456512

素因数分解:

$2^6\times {\mathrm{83}}^1\times {\mathrm{3851}}^1$

素因数の和:3946

約数の個数: 28

約数和(自身を含む): 41093136

約数和(自身を除く): 20636624

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 166, 332, 664, 1328, 2656, 3851, 5312, 7702, 15404, 30808, 61616, 123232, 246464, 319633, 639266, 1278532, 2557064, 5114128, 10228256, 20456512]

約数ペア:

[(1, 20456512), (2, 10228256), (4, 5114128), (8, 2557064), (16, 1278532), (32, 639266), (64, 319633), (83, 246464), (166, 123232), (332, 61616), (664, 30808), (1328, 15404), (2656, 7702), (3851, 5312)]