20646030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{688201}}^1$

素因数の和:688211

約数の個数: 16

約数和(自身を含む): 49550544

約数和(自身を除く): 28904514

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 688201, 1376402, 2064603, 3441005, 4129206, 6882010, 10323015, 20646030]

約数ペア:

[(1, 20646030), (2, 10323015), (3, 6882010), (5, 4129206), (6, 3441005), (10, 2064603), (15, 1376402), (30, 688201)]