20895162

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{80989}}^1$

素因数の和:81037

約数の個数: 16

約数和(自身を含む): 42762720

約数和(自身を除く): 21867558

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 80989, 161978, 242967, 485934, 3482527, 6965054, 10447581, 20895162]

約数ペア:

[(1, 20895162), (2, 10447581), (3, 6965054), (6, 3482527), (43, 485934), (86, 242967), (129, 161978), (258, 80989)]