20617422

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{490891}}^1$

素因数の和:490903

約数の個数: 16

約数和(自身を含む): 47125632

約数和(自身を除く): 26508210

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 490891, 981782, 1472673, 2945346, 3436237, 6872474, 10308711, 20617422]

約数ペア:

[(1, 20617422), (2, 10308711), (3, 6872474), (6, 3436237), (7, 2945346), (14, 1472673), (21, 981782), (42, 490891)]