20261643

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{6829}}^1$

素因数の和:6898

約数の個数: 16

約数和(自身を含む): 28849920

約数和(自身を除く): 8588277

約数列:

[1, 3, 23, 43, 69, 129, 989, 2967, 6829, 20487, 157067, 293647, 471201, 880941, 6753881, 20261643]

約数ペア:

[(1, 20261643), (3, 6753881), (23, 880941), (43, 471201), (69, 293647), (129, 157067), (989, 20487), (2967, 6829)]