20144509

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{607}}^1$

素因数の和:1056

約数の個数: 16

約数和(自身を含む): 25214976

約数和(自身を除く): 5070467

約数列:

[1, 7, 11, 77, 431, 607, 3017, 4249, 4741, 6677, 33187, 46739, 261617, 1831319, 2877787, 20144509]

約数ペア:

[(1, 20144509), (7, 2877787), (11, 1831319), (77, 261617), (431, 46739), (607, 33187), (3017, 6677), (4249, 4741)]