20384151

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1\times {\mathrm{449}}^1$

素因数の和:898

約数の個数: 16

約数和(自身を含む): 28044000

約数和(自身を除く): 7659849

約数列:

[1, 3, 37, 111, 409, 449, 1227, 1347, 15133, 16613, 45399, 49839, 183641, 550923, 6794717, 20384151]

約数ペア:

[(1, 20384151), (3, 6794717), (37, 550923), (111, 183641), (409, 49839), (449, 45399), (1227, 16613), (1347, 15133)]