20175729

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{22343}}^1$

素因数の和:22396

約数の個数: 16

約数和(自身を含む): 31460352

約数和(自身を除く): 11284623

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 22343, 67029, 156401, 469203, 960749, 2882247, 6725243, 20175729]

約数ペア:

[(1, 20175729), (3, 6725243), (7, 2882247), (21, 960749), (43, 469203), (129, 156401), (301, 67029), (903, 22343)]