20285580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{48299}}^1$

素因数の和:48318

約数の個数: 48

約数和(自身を含む): 64915200

約数和(自身を除く): 44629620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 48299, 96598, 144897, 193196, 241495, 289794, 338093, 482990, 579588, 676186, 724485, 965980, 1014279, 1352372, 1448970, 1690465, 2028558, 2897940, 3380930, 4057116, 5071395, 6761860, 10142790, 20285580]

約数ペア:

[(1, 20285580), (2, 10142790), (3, 6761860), (4, 5071395), (5, 4057116), (6, 3380930), (7, 2897940), (10, 2028558), (12, 1690465), (14, 1448970), (15, 1352372), (20, 1014279), (21, 965980), (28, 724485), (30, 676186), (35, 579588), (42, 482990), (60, 338093), (70, 289794), (84, 241495), (105, 193196), (140, 144897), (210, 96598), (420, 48299)]