20019153

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1097}}^1$

素因数の和:1197

約数の個数: 32

約数和(自身を含む): 33730560

約数和(自身を除く): 13711407

約数列:

[1, 3, 7, 11, 21, 33, 77, 79, 231, 237, 553, 869, 1097, 1659, 2607, 3291, 6083, 7679, 12067, 18249, 23037, 36201, 84469, 86663, 253407, 259989, 606641, 953293, 1819923, 2859879, 6673051, 20019153]

約数ペア:

[(1, 20019153), (3, 6673051), (7, 2859879), (11, 1819923), (21, 953293), (33, 606641), (77, 259989), (79, 253407), (231, 86663), (237, 84469), (553, 36201), (869, 23037), (1097, 18249), (1659, 12067), (2607, 7679), (3291, 6083)]