20148896576

素因数分解:

$2^6\times {\mathrm{641}}^1\times {\mathrm{491149}}^1$

素因数の和:491802

約数の個数: 28

約数和(自身を含む): 40045424100

約数和(自身を除く): 19896527524

約数列:

[1, 2, 4, 8, 16, 32, 64, 641, 1282, 2564, 5128, 10256, 20512, 41024, 491149, 982298, 1964596, 3929192, 7858384, 15716768, 31433536, 314826509, 629653018, 1259306036, 2518612072, 5037224144, 10074448288, 20148896576]

約数ペア:

[(1, 20148896576), (2, 10074448288), (4, 5037224144), (8, 2518612072), (16, 1259306036), (32, 629653018), (64, 314826509), (641, 31433536), (1282, 15716768), (2564, 7858384), (5128, 3929192), (10256, 1964596), (20512, 982298), (41024, 491149)]