20199456219

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{619}}^1\times {\mathrm{639851}}^1$

素因数の和:640490

約数の個数: 16

約数和(自身を含む): 28562993280

約数和(自身を除く): 8363537061

約数列:

[1, 3, 17, 51, 619, 1857, 10523, 31569, 639851, 1919553, 10877467, 32632401, 396067769, 1188203307, 6733152073, 20199456219]

約数ペア:

[(1, 20199456219), (3, 6733152073), (17, 1188203307), (51, 396067769), (619, 32632401), (1857, 10877467), (10523, 1919553), (31569, 639851)]