20311464747

素因数分解:

$3^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{479}}^1\times {\mathrm{4937}}^1$

素因数の和:5835

約数の個数: 32

約数和(自身を含む): 31097548800

約数和(自身を除く): 10786084053

約数列:

[1, 3, 7, 21, 409, 479, 1227, 1437, 2863, 3353, 4937, 8589, 10059, 14811, 34559, 103677, 195911, 587733, 1371377, 2019233, 2364823, 4114131, 6057699, 7094469, 14134631, 16553761, 42403893, 49661283, 967212607, 2901637821, 6770488249, 20311464747]

約数ペア:

[(1, 20311464747), (3, 6770488249), (7, 2901637821), (21, 967212607), (409, 49661283), (479, 42403893), (1227, 16553761), (1437, 14134631), (2863, 7094469), (3353, 6057699), (4937, 4114131), (8589, 2364823), (10059, 2019233), (14811, 1371377), (34559, 587733), (103677, 195911)]