20517690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{683923}}^1$

素因数の和:683933

約数の個数: 16

約数和(自身を含む): 49242528

約数和(自身を除く): 28724838

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 683923, 1367846, 2051769, 3419615, 4103538, 6839230, 10258845, 20517690]

約数ペア:

[(1, 20517690), (2, 10258845), (3, 6839230), (5, 4103538), (6, 3419615), (10, 2051769), (15, 1367846), (30, 683923)]