20571994

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{2459}}^1$

素因数の和:2597

約数の個数: 16

約数和(自身を含む): 31881600

約数和(自身を除く): 11309606

約数列:

[1, 2, 47, 89, 94, 178, 2459, 4183, 4918, 8366, 115573, 218851, 231146, 437702, 10285997, 20571994]

約数ペア:

[(1, 20571994), (2, 10285997), (47, 437702), (89, 231146), (94, 218851), (178, 115573), (2459, 8366), (4183, 4918)]