20328016

素因数分解:

$2^4\times {\mathrm{359}}^1\times {\mathrm{3539}}^1$

素因数の和:3906

約数の個数: 20

約数和(自身を含む): 39506400

約数和(自身を除く): 19178384

約数列:

[1, 2, 4, 8, 16, 359, 718, 1436, 2872, 3539, 5744, 7078, 14156, 28312, 56624, 1270501, 2541002, 5082004, 10164008, 20328016]

約数ペア:

[(1, 20328016), (2, 10164008), (4, 5082004), (8, 2541002), (16, 1270501), (359, 56624), (718, 28312), (1436, 14156), (2872, 7078), (3539, 5744)]