20454270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{681809}}^1$

素因数の和:681819

約数の個数: 16

約数和(自身を含む): 49090320

約数和(自身を除く): 28636050

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 681809, 1363618, 2045427, 3409045, 4090854, 6818090, 10227135, 20454270]

約数ペア:

[(1, 20454270), (2, 10227135), (3, 6818090), (5, 4090854), (6, 3409045), (10, 2045427), (15, 1363618), (30, 681809)]