20549025

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{4349}}^1$

素因数の和:4375

約数の個数: 48

約数和(自身を含む): 43152000

約数和(自身を除く): 22602975

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 135, 175, 189, 225, 315, 525, 675, 945, 1575, 4349, 4725, 13047, 21745, 30443, 39141, 65235, 91329, 108725, 117423, 152215, 195705, 273987, 326175, 456645, 587115, 761075, 821961, 978525, 1369935, 2283225, 2935575, 4109805, 6849675, 20549025]

約数ペア:

[(1, 20549025), (3, 6849675), (5, 4109805), (7, 2935575), (9, 2283225), (15, 1369935), (21, 978525), (25, 821961), (27, 761075), (35, 587115), (45, 456645), (63, 326175), (75, 273987), (105, 195705), (135, 152215), (175, 117423), (189, 108725), (225, 91329), (315, 65235), (525, 39141), (675, 30443), (945, 21745), (1575, 13047), (4349, 4725)]