20491710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{18461}}^1$

素因数の和:18508

約数の個数: 32

約数和(自身を含む): 50512032

約数和(自身を除く): 30020322

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 18461, 36922, 55383, 92305, 110766, 184610, 276915, 553830, 683057, 1366114, 2049171, 3415285, 4098342, 6830570, 10245855, 20491710]

約数ペア:

[(1, 20491710), (2, 10245855), (3, 6830570), (5, 4098342), (6, 3415285), (10, 2049171), (15, 1366114), (30, 683057), (37, 553830), (74, 276915), (111, 184610), (185, 110766), (222, 92305), (370, 55383), (555, 36922), (1110, 18461)]