20179947

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{4957}}^1$

素因数の和:5042

約数の個数: 16

約数和(自身を含む): 28558080

約数和(自身を除く): 8378133

約数列:

[1, 3, 23, 59, 69, 177, 1357, 4071, 4957, 14871, 114011, 292463, 342033, 877389, 6726649, 20179947]

約数ペア:

[(1, 20179947), (3, 6726649), (23, 877389), (59, 342033), (69, 292463), (177, 114011), (1357, 14871), (4071, 4957)]