20738175

素因数分解:

$3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{4127}}^1$

素因数の和:4207

約数の個数: 24

約数和(自身を含む): 34807296

約数和(自身を除く): 14069121

約数列:

[1, 3, 5, 15, 25, 67, 75, 201, 335, 1005, 1675, 4127, 5025, 12381, 20635, 61905, 103175, 276509, 309525, 829527, 1382545, 4147635, 6912725, 20738175]

約数ペア:

[(1, 20738175), (3, 6912725), (5, 4147635), (15, 1382545), (25, 829527), (67, 309525), (75, 276509), (201, 103175), (335, 61905), (1005, 20635), (1675, 12381), (4127, 5025)]