12456020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{32779}}^1$

素因数の和:32807

約数の個数: 24

約数和(自身を含む): 27535200

約数和(自身を除く): 15079180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 32779, 65558, 131116, 163895, 327790, 622801, 655580, 1245602, 2491204, 3114005, 6228010, 12456020]

約数ペア:

[(1, 12456020), (2, 6228010), (4, 3114005), (5, 2491204), (10, 1245602), (19, 655580), (20, 622801), (38, 327790), (76, 163895), (95, 131116), (190, 65558), (380, 32779)]