20249940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{547}}^1\times {\mathrm{617}}^1$

素因数の和:1176

約数の個数: 48

約数和(自身を含む): 56895552

約数和(自身を除く): 36645612

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 547, 617, 1094, 1234, 1641, 1851, 2188, 2468, 2735, 3085, 3282, 3702, 5470, 6170, 6564, 7404, 8205, 9255, 10940, 12340, 16410, 18510, 32820, 37020, 337499, 674998, 1012497, 1349996, 1687495, 2024994, 3374990, 4049988, 5062485, 6749980, 10124970, 20249940]

約数ペア:

[(1, 20249940), (2, 10124970), (3, 6749980), (4, 5062485), (5, 4049988), (6, 3374990), (10, 2024994), (12, 1687495), (15, 1349996), (20, 1012497), (30, 674998), (60, 337499), (547, 37020), (617, 32820), (1094, 18510), (1234, 16410), (1641, 12340), (1851, 10940), (2188, 9255), (2468, 8205), (2735, 7404), (3085, 6564), (3282, 6170), (3702, 5470)]