20100688

素因数分解:

$2^4\times {\mathrm{457}}^1\times {\mathrm{2749}}^1$

素因数の和:3214

約数の個数: 20

約数和(自身を含む): 39044500

約数和(自身を除く): 18943812

約数列:

[1, 2, 4, 8, 16, 457, 914, 1828, 2749, 3656, 5498, 7312, 10996, 21992, 43984, 1256293, 2512586, 5025172, 10050344, 20100688]

約数ペア:

[(1, 20100688), (2, 10050344), (4, 5025172), (8, 2512586), (16, 1256293), (457, 43984), (914, 21992), (1828, 10996), (2749, 7312), (3656, 5498)]