20940970

素因数分解:

$2^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{19571}}^1$

素因数の和:19685

約数の個数: 16

約数和(自身を含む): 38047968

約数和(自身を除く): 17106998

約数列:

[1, 2, 5, 10, 107, 214, 535, 1070, 19571, 39142, 97855, 195710, 2094097, 4188194, 10470485, 20940970]

約数ペア:

[(1, 20940970), (2, 10470485), (5, 4188194), (10, 2094097), (107, 195710), (214, 97855), (535, 39142), (1070, 19571)]