20939970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{697999}}^1$

素因数の和:698009

約数の個数: 16

約数和(自身を含む): 50256000

約数和(自身を除く): 29316030

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 697999, 1395998, 2093997, 3489995, 4187994, 6979990, 10469985, 20939970]

約数ペア:

[(1, 20939970), (2, 10469985), (3, 6979990), (5, 4187994), (6, 3489995), (10, 2093997), (15, 1395998), (30, 697999)]