20587567

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 28030464

約数和(自身を除く): 7442897

約数列:

[1, 7, 11, 13, 77, 91, 131, 143, 157, 917, 1001, 1099, 1441, 1703, 1727, 2041, 10087, 11921, 12089, 14287, 18733, 20567, 22451, 131131, 143969, 157157, 226237, 267371, 1583659, 1871597, 2941081, 20587567]

約数ペア:

[(1, 20587567), (7, 2941081), (11, 1871597), (13, 1583659), (77, 267371), (91, 226237), (131, 157157), (143, 143969), (157, 131131), (917, 22451), (1001, 20567), (1099, 18733), (1441, 14287), (1703, 12089), (1727, 11921), (2041, 10087)]