20670080

素因数分解:

$2^7\times 5^1\times {\mathrm{32297}}^1$

素因数の和:32316

約数の個数: 32

約数和(自身を含む): 49415940

約数和(自身を除く): 28745860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 32297, 64594, 129188, 161485, 258376, 322970, 516752, 645940, 1033504, 1291880, 2067008, 2583760, 4134016, 5167520, 10335040, 20670080]

約数ペア:

[(1, 20670080), (2, 10335040), (4, 5167520), (5, 4134016), (8, 2583760), (10, 2067008), (16, 1291880), (20, 1033504), (32, 645940), (40, 516752), (64, 322970), (80, 258376), (128, 161485), (160, 129188), (320, 64594), (640, 32297)]