20128197

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{487}}^1\times {\mathrm{599}}^1$

素因数の和:1112

約数の個数: 16

約数和(自身を含む): 28108800

約数和(自身を除く): 7980603

約数列:

[1, 3, 23, 69, 487, 599, 1461, 1797, 11201, 13777, 33603, 41331, 291713, 875139, 6709399, 20128197]

約数ペア:

[(1, 20128197), (3, 6709399), (23, 875139), (69, 291713), (487, 41331), (599, 33603), (1461, 13777), (1797, 11201)]