206566940

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{23003}}^1$

素因数の和:23461

約数の個数: 24

約数和(自身を含む): 434775600

約数和(自身を除く): 228208660

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 2245, 4490, 8980, 23003, 46006, 92012, 115015, 230030, 460060, 10328347, 20656694, 41313388, 51641735, 103283470, 206566940]

約数ペア:

[(1, 206566940), (2, 103283470), (4, 51641735), (5, 41313388), (10, 20656694), (20, 10328347), (449, 460060), (898, 230030), (1796, 115015), (2245, 92012), (4490, 46006), (8980, 23003)]