11959820

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{6719}}^1$

素因数の和:6817

約数の個数: 24

約数和(自身を含む): 25401600

約数和(自身を除く): 13441780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 6719, 13438, 26876, 33595, 67190, 134380, 597991, 1195982, 2391964, 2989955, 5979910, 11959820]

約数ペア:

[(1, 11959820), (2, 5979910), (4, 2989955), (5, 2391964), (10, 1195982), (20, 597991), (89, 134380), (178, 67190), (356, 33595), (445, 26876), (890, 13438), (1780, 6719)]