20878442

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{827}}^1\times {\mathrm{971}}^1$

素因数の和:1813

約数の個数: 16

約数和(自身を含む): 33802272

約数和(自身を除く): 12923830

約数列:

[1, 2, 13, 26, 827, 971, 1654, 1942, 10751, 12623, 21502, 25246, 803017, 1606034, 10439221, 20878442]

約数ペア:

[(1, 20878442), (2, 10439221), (13, 1606034), (26, 803017), (827, 25246), (971, 21502), (1654, 12623), (1942, 10751)]