20553990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{2203}}^1$

素因数の和:2524

約数の個数: 32

約数和(自身を含む): 49510656

約数和(自身を除く): 28956666

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 311, 622, 933, 1555, 1866, 2203, 3110, 4406, 4665, 6609, 9330, 11015, 13218, 22030, 33045, 66090, 685133, 1370266, 2055399, 3425665, 4110798, 6851330, 10276995, 20553990]

約数ペア:

[(1, 20553990), (2, 10276995), (3, 6851330), (5, 4110798), (6, 3425665), (10, 2055399), (15, 1370266), (30, 685133), (311, 66090), (622, 33045), (933, 22030), (1555, 13218), (1866, 11015), (2203, 9330), (3110, 6609), (4406, 4665)]