20164707

素因数分解:

$3^4\times {\mathrm{173}}^1\times {\mathrm{1439}}^1$

素因数の和:1624

約数の個数: 20

約数和(自身を含む): 30317760

約数和(自身を除く): 10153053

約数列:

[1, 3, 9, 27, 81, 173, 519, 1439, 1557, 4317, 4671, 12951, 14013, 38853, 116559, 248947, 746841, 2240523, 6721569, 20164707]

約数ペア:

[(1, 20164707), (3, 6721569), (9, 2240523), (27, 746841), (81, 248947), (173, 116559), (519, 38853), (1439, 14013), (1557, 12951), (4317, 4671)]