13720976

素因数分解:

$2^4\times {\mathrm{173}}^1\times {\mathrm{4957}}^1$

素因数の和:5138

約数の個数: 20

約数和(自身を含む): 26743452

約数和(自身を除く): 13022476

約数列:

[1, 2, 4, 8, 16, 173, 346, 692, 1384, 2768, 4957, 9914, 19828, 39656, 79312, 857561, 1715122, 3430244, 6860488, 13720976]

約数ペア:

[(1, 13720976), (2, 6860488), (4, 3430244), (8, 1715122), (16, 857561), (173, 79312), (346, 39656), (692, 19828), (1384, 9914), (2768, 4957)]