22036880

素因数分解:

$2^4\times 5^1\times {\mathrm{275461}}^1$

素因数の和:275474

約数の個数: 20

約数和(自身を含む): 51235932

約数和(自身を除く): 29199052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 275461, 550922, 1101844, 1377305, 2203688, 2754610, 4407376, 5509220, 11018440, 22036880]

約数ペア:

[(1, 22036880), (2, 11018440), (4, 5509220), (5, 4407376), (8, 2754610), (10, 2203688), (16, 1377305), (20, 1101844), (40, 550922), (80, 275461)]