20440184

素因数分解:

$2^3\times {\mathrm{409}}^1\times {\mathrm{6247}}^1$

素因数の和:6662

約数の個数: 16

約数和(自身を含む): 38425200

約数和(自身を除く): 17985016

約数列:

[1, 2, 4, 8, 409, 818, 1636, 3272, 6247, 12494, 24988, 49976, 2555023, 5110046, 10220092, 20440184]

約数ペア:

[(1, 20440184), (2, 10220092), (4, 5110046), (8, 2555023), (409, 49976), (818, 24988), (1636, 12494), (3272, 6247)]