20264590

素因数分解:

$2^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{11321}}^1$

素因数の和:11507

約数の個数: 16

約数和(自身を含む): 36683280

約数和(自身を除く): 16418690

約数列:

[1, 2, 5, 10, 179, 358, 895, 1790, 11321, 22642, 56605, 113210, 2026459, 4052918, 10132295, 20264590]

約数ペア:

[(1, 20264590), (2, 10132295), (5, 4052918), (10, 2026459), (179, 113210), (358, 56605), (895, 22642), (1790, 11321)]