20519415

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{65141}}^1$

素因数の和:65159

約数の個数: 24

約数和(自身を含む): 40648608

約数和(自身を除く): 20129193

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 65141, 195423, 325705, 455987, 586269, 977115, 1367961, 2279935, 2931345, 4103883, 6839805, 20519415]

約数ペア:

[(1, 20519415), (3, 6839805), (5, 4103883), (7, 2931345), (9, 2279935), (15, 1367961), (21, 977115), (35, 586269), (45, 455987), (63, 325705), (105, 195423), (315, 65141)]