20569130

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89431}}^1$

素因数の和:89461

約数の個数: 16

約数和(自身を含む): 38634624

約数和(自身を除く): 18065494

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 89431, 178862, 447155, 894310, 2056913, 4113826, 10284565, 20569130]

約数ペア:

[(1, 20569130), (2, 10284565), (5, 4113826), (10, 2056913), (23, 894310), (46, 447155), (115, 178862), (230, 89431)]