20785515548

素因数分解:

$2^2\times 7^1\times {\mathrm{359}}^1\times {\mathrm{2067799}}^1$

素因数の和:2068169

約数の個数: 24

約数和(自身を含む): 41686848000

約数和(自身を除く): 20901332452

約数列:

[1, 2, 4, 7, 14, 28, 359, 718, 1436, 2513, 5026, 10052, 2067799, 4135598, 8271196, 14474593, 28949186, 57898372, 742339841, 1484679682, 2969359364, 5196378887, 10392757774, 20785515548]

約数ペア:

[(1, 20785515548), (2, 10392757774), (4, 5196378887), (7, 2969359364), (14, 1484679682), (28, 742339841), (359, 57898372), (718, 28949186), (1436, 14474593), (2513, 8271196), (5026, 4135598), (10052, 2067799)]