20681626

素因数分解:

$2^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{883}}^1$

素因数の和:1138

約数の個数: 24

約数和(自身を含む): 36279360

約数和(自身を除く): 15597734

約数列:

[1, 2, 7, 14, 49, 98, 239, 478, 883, 1673, 1766, 3346, 6181, 11711, 12362, 23422, 43267, 86534, 211037, 422074, 1477259, 2954518, 10340813, 20681626]

約数ペア:

[(1, 20681626), (2, 10340813), (7, 2954518), (14, 1477259), (49, 422074), (98, 211037), (239, 86534), (478, 43267), (883, 23422), (1673, 12362), (1766, 11711), (3346, 6181)]