20089265

素因数分解:

$5^1\times 7^2\times {\mathrm{167}}^1\times {\mathrm{491}}^1$

素因数の和:677

約数の個数: 24

約数和(自身を含む): 28268352

約数和(自身を除く): 8179087

約数列:

[1, 5, 7, 35, 49, 167, 245, 491, 835, 1169, 2455, 3437, 5845, 8183, 17185, 24059, 40915, 81997, 120295, 409985, 573979, 2869895, 4017853, 20089265]

約数ペア:

[(1, 20089265), (5, 4017853), (7, 2869895), (35, 573979), (49, 409985), (167, 120295), (245, 81997), (491, 40915), (835, 24059), (1169, 17185), (2455, 8183), (3437, 5845)]