20269725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{38609}}^1$

素因数の和:38629

約数の個数: 24

約数和(自身を含む): 38301120

約数和(自身を除く): 18031395

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 38609, 115827, 193045, 270263, 579135, 810789, 965225, 1351315, 2895675, 4053945, 6756575, 20269725]

約数ペア:

[(1, 20269725), (3, 6756575), (5, 4053945), (7, 2895675), (15, 1351315), (21, 965225), (25, 810789), (35, 579135), (75, 270263), (105, 193045), (175, 115827), (525, 38609)]