20868327

素因数分解:

$3^3\times {\mathrm{19}}^2\times {\mathrm{2141}}^1$

素因数の和:2188

約数の個数: 24

約数和(自身を含む): 32644080

約数和(自身を除く): 11775753

約数列:

[1, 3, 9, 19, 27, 57, 171, 361, 513, 1083, 2141, 3249, 6423, 9747, 19269, 40679, 57807, 122037, 366111, 772901, 1098333, 2318703, 6956109, 20868327]

約数ペア:

[(1, 20868327), (3, 6956109), (9, 2318703), (19, 1098333), (27, 772901), (57, 366111), (171, 122037), (361, 57807), (513, 40679), (1083, 19269), (2141, 9747), (3249, 6423)]