20285776

素因数分解:

$2^4\times 7^1\times {\mathrm{181123}}^1$

素因数の和:181138

約数の個数: 20

約数和(自身を含む): 44918752

約数和(自身を除く): 24632976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 181123, 362246, 724492, 1267861, 1448984, 2535722, 2897968, 5071444, 10142888, 20285776]

約数ペア:

[(1, 20285776), (2, 10142888), (4, 5071444), (7, 2897968), (8, 2535722), (14, 1448984), (16, 1267861), (28, 724492), (56, 362246), (112, 181123)]