20742458

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{40993}}^1$

素因数の和:41029

約数の個数: 16

約数和(自身を含む): 35418816

約数和(自身を除く): 14676358

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 40993, 81986, 450923, 901846, 942839, 1885678, 10371229, 20742458]

約数ペア:

[(1, 20742458), (2, 10371229), (11, 1885678), (22, 942839), (23, 901846), (46, 450923), (253, 81986), (506, 40993)]