20265531

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{487}}^1$

素因数の和:611

約数の個数: 32

約数和(自身を含む): 32137728

約数和(自身を除く): 11872197

約数列:

[1, 3, 11, 13, 33, 39, 97, 143, 291, 429, 487, 1067, 1261, 1461, 3201, 3783, 5357, 6331, 13871, 16071, 18993, 41613, 47239, 69641, 141717, 208923, 519629, 614107, 1558887, 1842321, 6755177, 20265531]

約数ペア:

[(1, 20265531), (3, 6755177), (11, 1842321), (13, 1558887), (33, 614107), (39, 519629), (97, 208923), (143, 141717), (291, 69641), (429, 47239), (487, 41613), (1067, 18993), (1261, 16071), (1461, 13871), (3201, 6331), (3783, 5357)]