20686572

素因数分解:

$2^2\times 3^2\times {\mathrm{574627}}^1$

素因数の和:574637

約数の個数: 18

約数和(自身を含む): 52291148

約数和(自身を除く): 31604576

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 574627, 1149254, 1723881, 2298508, 3447762, 5171643, 6895524, 10343286, 20686572]

約数ペア:

[(1, 20686572), (2, 10343286), (3, 6895524), (4, 5171643), (6, 3447762), (9, 2298508), (12, 1723881), (18, 1149254), (36, 574627)]