20407792

素因数分解:

$2^4\times {\mathrm{457}}^1\times {\mathrm{2791}}^1$

素因数の和:3256

約数の個数: 20

約数和(自身を含む): 39640816

約数和(自身を除く): 19233024

約数列:

[1, 2, 4, 8, 16, 457, 914, 1828, 2791, 3656, 5582, 7312, 11164, 22328, 44656, 1275487, 2550974, 5101948, 10203896, 20407792]

約数ペア:

[(1, 20407792), (2, 10203896), (4, 5101948), (8, 2550974), (16, 1275487), (457, 44656), (914, 22328), (1828, 11164), (2791, 7312), (3656, 5582)]