20265525

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{4289}}^1$

素因数の和:4315

約数の個数: 48

約数和(自身を含む): 42556800

約数和(自身を除く): 22291275

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, 4289, 4725, 12867, 21445, 30023, 38601, 64335, 90069, 107225, 115803, 150115, 193005, 270207, 321675, 450345, 579015, 750575, 810621, 965025, 1351035, 2251725, 2895075, 4053105, 6755175, 20265525]

約数ペア:

[(1, 20265525), (3, 6755175), (5, 4053105), (7, 2895075), (9, 2251725), (15, 1351035), (21, 965025), (25, 810621), (27, 750575), (35, 579015), (45, 450345), (63, 321675), (75, 270207), (105, 193005), (135, 150115), (175, 115803), (189, 107225), (225, 90069), (315, 64335), (525, 38601), (675, 30023), (945, 21445), (1575, 12867), (4289, 4725)]