20342810916

素因数分解:

$2^2\times 3^2\times {\mathrm{409}}^1\times {\mathrm{1381609}}^1$

素因数の和:1382028

約数の個数: 36

約数和(自身を含む): 51547869100

約数和(自身を除く): 31205058184

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 409, 818, 1227, 1636, 2454, 3681, 4908, 7362, 14724, 1381609, 2763218, 4144827, 5526436, 8289654, 12434481, 16579308, 24868962, 49737924, 565078081, 1130156162, 1695234243, 2260312324, 3390468486, 5085702729, 6780936972, 10171405458, 20342810916]

約数ペア:

[(1, 20342810916), (2, 10171405458), (3, 6780936972), (4, 5085702729), (6, 3390468486), (9, 2260312324), (12, 1695234243), (18, 1130156162), (36, 565078081), (409, 49737924), (818, 24868962), (1227, 16579308), (1636, 12434481), (2454, 8289654), (3681, 5526436), (4908, 4144827), (7362, 2763218), (14724, 1381609)]