20384252

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{4637}}^1$

素因数の和:4805

約数の個数: 24

約数和(自身を含む): 41037024

約数和(自身を除く): 20652772

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 1099, 2198, 4396, 4637, 9274, 18548, 32459, 64918, 129836, 728009, 1456018, 2912036, 5096063, 10192126, 20384252]

約数ペア:

[(1, 20384252), (2, 10192126), (4, 5096063), (7, 2912036), (14, 1456018), (28, 728009), (157, 129836), (314, 64918), (628, 32459), (1099, 18548), (2198, 9274), (4396, 4637)]