20312469

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{719}}^1$

素因数の和:841

約数の個数: 24

約数和(自身を含む): 30476160

約数和(自身を除く): 10163691

約数列:

[1, 3, 9, 43, 73, 129, 219, 387, 657, 719, 2157, 3139, 6471, 9417, 28251, 30917, 52487, 92751, 157461, 278253, 472383, 2256941, 6770823, 20312469]

約数ペア:

[(1, 20312469), (3, 6770823), (9, 2256941), (43, 472383), (73, 278253), (129, 157461), (219, 92751), (387, 52487), (657, 30917), (719, 28251), (2157, 9417), (3139, 6471)]