20776557

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{12569}}^1$

素因数の和:12620

約数の個数: 16

約数和(自身を含む): 30168000

約数和(自身を除く): 9391443

約数列:

[1, 3, 19, 29, 57, 87, 551, 1653, 12569, 37707, 238811, 364501, 716433, 1093503, 6925519, 20776557]

約数ペア:

[(1, 20776557), (3, 6925519), (19, 1093503), (29, 716433), (57, 364501), (87, 238811), (551, 37707), (1653, 12569)]