20883638

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{1747}}^1$

素因数の和:1931

約数の個数: 16

約数和(自身を含む): 32303040

約数和(自身を除く): 11419402

約数列:

[1, 2, 43, 86, 139, 278, 1747, 3494, 5977, 11954, 75121, 150242, 242833, 485666, 10441819, 20883638]

約数ペア:

[(1, 20883638), (2, 10441819), (43, 485666), (86, 242833), (139, 150242), (278, 75121), (1747, 11954), (3494, 5977)]