20193990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{9221}}^1$

素因数の和:9304

約数の個数: 32

約数和(自身を含む): 49134816

約数和(自身を除く): 28940826

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 146, 219, 365, 438, 730, 1095, 2190, 9221, 18442, 27663, 46105, 55326, 92210, 138315, 276630, 673133, 1346266, 2019399, 3365665, 4038798, 6731330, 10096995, 20193990]

約数ペア:

[(1, 20193990), (2, 10096995), (3, 6731330), (5, 4038798), (6, 3365665), (10, 2019399), (15, 1346266), (30, 673133), (73, 276630), (146, 138315), (219, 92210), (365, 55326), (438, 46105), (730, 27663), (1095, 18442), (2190, 9221)]