20199291917

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{919}}^1\times {\mathrm{43013}}^1$

素因数の和:44012

約数の個数: 16

約数和(自身を含む): 23427144960

約数和(自身を除く): 3227853043

約数列:

[1, 7, 73, 511, 919, 6433, 43013, 67087, 301091, 469609, 3139949, 21979643, 39528947, 276702629, 2885613131, 20199291917]

約数ペア:

[(1, 20199291917), (7, 2885613131), (73, 276702629), (511, 39528947), (919, 21979643), (6433, 3139949), (43013, 469609), (67087, 301091)]