20641584

素因数分解:

$2^4\times 3^1\times {\mathrm{107}}^1\times {\mathrm{4019}}^1$

素因数の和:4137

約数の個数: 40

約数和(自身を含む): 53835840

約数和(自身を除く): 33194256

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 107, 214, 321, 428, 642, 856, 1284, 1712, 2568, 4019, 5136, 8038, 12057, 16076, 24114, 32152, 48228, 64304, 96456, 192912, 430033, 860066, 1290099, 1720132, 2580198, 3440264, 5160396, 6880528, 10320792, 20641584]

約数ペア:

[(1, 20641584), (2, 10320792), (3, 6880528), (4, 5160396), (6, 3440264), (8, 2580198), (12, 1720132), (16, 1290099), (24, 860066), (48, 430033), (107, 192912), (214, 96456), (321, 64304), (428, 48228), (642, 32152), (856, 24114), (1284, 16076), (1712, 12057), (2568, 8038), (4019, 5136)]