20479430

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89041}}^1$

素因数の和:89071

約数の個数: 16

約数和(自身を含む): 38466144

約数和(自身を除く): 17986714

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 89041, 178082, 445205, 890410, 2047943, 4095886, 10239715, 20479430]

約数ペア:

[(1, 20479430), (2, 10239715), (5, 4095886), (10, 2047943), (23, 890410), (46, 445205), (115, 178082), (230, 89041)]