20508663

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{42461}}^1$

素因数の和:42494

約数の個数: 16

約数和(自身を含む): 32610816

約数和(自身を除く): 12102153

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 42461, 127383, 297227, 891681, 976603, 2929809, 6836221, 20508663]

約数ペア:

[(1, 20508663), (3, 6836221), (7, 2929809), (21, 976603), (23, 891681), (69, 297227), (161, 127383), (483, 42461)]