20041147

素因数分解:

$7^4\times {\mathrm{17}}^1\times {\mathrm{491}}^1$

素因数の和:536

約数の個数: 20

約数和(自身を含む): 24805656

約数和(自身を除く): 4764509

約数列:

[1, 7, 17, 49, 119, 343, 491, 833, 2401, 3437, 5831, 8347, 24059, 40817, 58429, 168413, 409003, 1178891, 2863021, 20041147]

約数ペア:

[(1, 20041147), (7, 2863021), (17, 1178891), (49, 409003), (119, 168413), (343, 58429), (491, 40817), (833, 24059), (2401, 8347), (3437, 5831)]