20073905

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1279}}^1$

素因数の和:1400

約数の個数: 16

約数和(自身を含む): 25006080

約数和(自身を除く): 4932175

約数列:

[1, 5, 43, 73, 215, 365, 1279, 3139, 6395, 15695, 54997, 93367, 274985, 466835, 4014781, 20073905]

約数ペア:

[(1, 20073905), (5, 4014781), (43, 466835), (73, 274985), (215, 93367), (365, 54997), (1279, 15695), (3139, 6395)]