20981704

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{114031}}^1$

素因数の和:114060

約数の個数: 16

約数和(自身を含む): 41051520

約数和(自身を除く): 20069816

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 114031, 228062, 456124, 912248, 2622713, 5245426, 10490852, 20981704]

約数ペア:

[(1, 20981704), (2, 10490852), (4, 5245426), (8, 2622713), (23, 912248), (46, 456124), (92, 228062), (184, 114031)]