20107241

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{1171}}^1$

素因数の和:1412

約数の個数: 16

約数和(自身を含む): 25202688

約数和(自身を除く): 5095447

約数列:

[1, 7, 11, 77, 223, 1171, 1561, 2453, 8197, 12881, 17171, 90167, 261133, 1827931, 2872463, 20107241]

約数ペア:

[(1, 20107241), (7, 2872463), (11, 1827931), (77, 261133), (223, 90167), (1171, 17171), (1561, 12881), (2453, 8197)]