20528388

素因数分解:

$2^2\times 3^2\times {\mathrm{570233}}^1$

素因数の和:570243

約数の個数: 18

約数和(自身を含む): 51891294

約数和(自身を除く): 31362906

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 570233, 1140466, 1710699, 2280932, 3421398, 5132097, 6842796, 10264194, 20528388]

約数ペア:

[(1, 20528388), (2, 10264194), (3, 6842796), (4, 5132097), (6, 3421398), (9, 2280932), (12, 1710699), (18, 1140466), (36, 570233)]