20039970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{667999}}^1$

素因数の和:668009

約数の個数: 16

約数和(自身を含む): 48096000

約数和(自身を除く): 28056030

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 667999, 1335998, 2003997, 3339995, 4007994, 6679990, 10019985, 20039970]

約数ペア:

[(1, 20039970), (2, 10019985), (3, 6679990), (5, 4007994), (6, 3339995), (10, 2003997), (15, 1335998), (30, 667999)]