20509734

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{69761}}^1$

素因数の和:69780

約数の個数: 24

約数和(自身を含む): 47717208

約数和(自身を除く): 27207474

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 69761, 139522, 209283, 418566, 488327, 976654, 1464981, 2929962, 3418289, 6836578, 10254867, 20509734]

約数ペア:

[(1, 20509734), (2, 10254867), (3, 6836578), (6, 3418289), (7, 2929962), (14, 1464981), (21, 976654), (42, 488327), (49, 418566), (98, 209283), (147, 139522), (294, 69761)]