20187739

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1787}}^1$

素因数の和:1890

約数の個数: 16

約数和(自身を含む): 24030720

約数和(自身を除く): 3842981

約数列:

[1, 11, 13, 79, 143, 869, 1027, 1787, 11297, 19657, 23231, 141173, 255541, 1552903, 1835249, 20187739]

約数ペア:

[(1, 20187739), (11, 1835249), (13, 1552903), (79, 255541), (143, 141173), (869, 23231), (1027, 19657), (1787, 11297)]