11388820

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1831}}^1$

素因数の和:2151

約数の個数: 24

約数和(自身を含む): 24006528

約数和(自身を除く): 12617708

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 1831, 3110, 3662, 6220, 7324, 9155, 18310, 36620, 569441, 1138882, 2277764, 2847205, 5694410, 11388820]

約数ペア:

[(1, 11388820), (2, 5694410), (4, 2847205), (5, 2277764), (10, 1138882), (20, 569441), (311, 36620), (622, 18310), (1244, 9155), (1555, 7324), (1831, 6220), (3110, 3662)]