20129656

素因数分解:

$2^3\times {\mathrm{313}}^1\times {\mathrm{8039}}^1$

素因数の和:8358

約数の個数: 16

約数和(自身を含む): 37868400

約数和(自身を除く): 17738744

約数列:

[1, 2, 4, 8, 313, 626, 1252, 2504, 8039, 16078, 32156, 64312, 2516207, 5032414, 10064828, 20129656]

約数ペア:

[(1, 20129656), (2, 10064828), (4, 5032414), (8, 2516207), (313, 64312), (626, 32156), (1252, 16078), (2504, 8039)]