20123661484

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{56527139}}^1$

素因数の和:56527232

約数の個数: 12

約数和(自身を含む): 35612098200

約数和(自身を除く): 15488436716

約数列:

[1, 2, 4, 89, 178, 356, 56527139, 113054278, 226108556, 5030915371, 10061830742, 20123661484]

約数ペア:

[(1, 20123661484), (2, 10061830742), (4, 5030915371), (89, 226108556), (178, 113054278), (356, 56527139)]