20122087660

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{449}}^1\times {\mathrm{7159}}^1$

素因数の和:7930

約数の個数: 48

約数和(自身を含む): 42491736000

約数和(自身を除く): 22369648340

約数列:

[1, 2, 4, 5, 10, 20, 313, 449, 626, 898, 1252, 1565, 1796, 2245, 3130, 4490, 6260, 7159, 8980, 14318, 28636, 35795, 71590, 140537, 143180, 281074, 562148, 702685, 1405370, 2240767, 2810740, 3214391, 4481534, 6428782, 8963068, 11203835, 12857564, 16071955, 22407670, 32143910, 44815340, 64287820, 1006104383, 2012208766, 4024417532, 5030521915, 10061043830, 20122087660]

約数ペア:

[(1, 20122087660), (2, 10061043830), (4, 5030521915), (5, 4024417532), (10, 2012208766), (20, 1006104383), (313, 64287820), (449, 44815340), (626, 32143910), (898, 22407670), (1252, 16071955), (1565, 12857564), (1796, 11203835), (2245, 8963068), (3130, 6428782), (4490, 4481534), (6260, 3214391), (7159, 2810740), (8980, 2240767), (14318, 1405370), (28636, 702685), (35795, 562148), (71590, 281074), (140537, 143180)]