20864061

素因数分解:

$3^4\times {\mathrm{179}}^1\times {\mathrm{1439}}^1$

素因数の和:1630

約数の個数: 20

約数和(自身を含む): 31363200

約数和(自身を除く): 10499139

約数列:

[1, 3, 9, 27, 81, 179, 537, 1439, 1611, 4317, 4833, 12951, 14499, 38853, 116559, 257581, 772743, 2318229, 6954687, 20864061]

約数ペア:

[(1, 20864061), (3, 6954687), (9, 2318229), (27, 772743), (81, 257581), (179, 116559), (537, 38853), (1439, 14499), (1611, 12951), (4317, 4833)]