20155130

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{87631}}^1$

素因数の和:87661

約数の個数: 16

約数和(自身を含む): 37857024

約数和(自身を除く): 17701894

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 87631, 175262, 438155, 876310, 2015513, 4031026, 10077565, 20155130]

約数ペア:

[(1, 20155130), (2, 10077565), (5, 4031026), (10, 2015513), (23, 876310), (46, 438155), (115, 175262), (230, 87631)]