20279230

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47161}}^1$

素因数の和:47211

約数の個数: 16

約数和(自身を含む): 37352304

約数和(自身を除く): 17073074

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 47161, 94322, 235805, 471610, 2027923, 4055846, 10139615, 20279230]

約数ペア:

[(1, 20279230), (2, 10139615), (5, 4055846), (10, 2027923), (43, 471610), (86, 235805), (215, 94322), (430, 47161)]