20685270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{689509}}^1$

素因数の和:689519

約数の個数: 16

約数和(自身を含む): 49644720

約数和(自身を除く): 28959450

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 689509, 1379018, 2068527, 3447545, 4137054, 6895090, 10342635, 20685270]

約数ペア:

[(1, 20685270), (2, 10342635), (3, 6895090), (5, 4137054), (6, 3447545), (10, 2068527), (15, 1379018), (30, 689509)]