20769502

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{4139}}^1$

素因数の和:4347

約数の個数: 16

約数和(自身を含む): 33732720

約数和(自身を除く): 12963218

約数列:

[1, 2, 13, 26, 193, 386, 2509, 4139, 5018, 8278, 53807, 107614, 798827, 1597654, 10384751, 20769502]

約数ペア:

[(1, 20769502), (2, 10384751), (13, 1597654), (26, 798827), (193, 107614), (386, 53807), (2509, 8278), (4139, 5018)]