20023983

素因数分解:

$3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1999}}^1$

素因数の和:2068

約数の個数: 32

約数和(自身を含む): 34560000

約数和(自身を除く): 14536017

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 159, 189, 371, 477, 1113, 1431, 1999, 3339, 5997, 10017, 13993, 17991, 41979, 53973, 105947, 125937, 317841, 377811, 741629, 953523, 2224887, 2860569, 6674661, 20023983]

約数ペア:

[(1, 20023983), (3, 6674661), (7, 2860569), (9, 2224887), (21, 953523), (27, 741629), (53, 377811), (63, 317841), (159, 125937), (189, 105947), (371, 53973), (477, 41979), (1113, 17991), (1431, 13993), (1999, 10017), (3339, 5997)]