20365768

素因数分解:

$2^3\times {\mathrm{331}}^1\times {\mathrm{7691}}^1$

素因数の和:8028

約数の個数: 16

約数和(自身を含む): 38306160

約数和(自身を除く): 17940392

約数列:

[1, 2, 4, 8, 331, 662, 1324, 2648, 7691, 15382, 30764, 61528, 2545721, 5091442, 10182884, 20365768]

約数ペア:

[(1, 20365768), (2, 10182884), (4, 5091442), (8, 2545721), (331, 61528), (662, 30764), (1324, 15382), (2648, 7691)]