20149820495

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{63467}}^1$

素因数の和:63719

約数の個数: 32

約数和(自身を含む): 28368672768

約数和(自身を除く): 8218852273

約数列:

[1, 5, 7, 35, 47, 193, 235, 329, 965, 1351, 1645, 6755, 9071, 45355, 63467, 63497, 317335, 317485, 444269, 2221345, 2982949, 12249131, 14914745, 20880643, 61245655, 85743917, 104403215, 428719585, 575709157, 2878545785, 4029964099, 20149820495]

約数ペア:

[(1, 20149820495), (5, 4029964099), (7, 2878545785), (35, 575709157), (47, 428719585), (193, 104403215), (235, 85743917), (329, 61245655), (965, 20880643), (1351, 14914745), (1645, 12249131), (6755, 2982949), (9071, 2221345), (45355, 444269), (63467, 317485), (63497, 317335)]