20512338730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1481}}^1\times {\mathrm{106541}}^1$

素因数の和:108042

約数の個数: 32

約数和(自身を含む): 39789601488

約数和(自身を除く): 19277262758

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1481, 2962, 7405, 14810, 19253, 38506, 96265, 106541, 192530, 213082, 532705, 1065410, 1385033, 2770066, 6925165, 13850330, 157787221, 315574442, 788936105, 1577872210, 2051233873, 4102467746, 10256169365, 20512338730]

約数ペア:

[(1, 20512338730), (2, 10256169365), (5, 4102467746), (10, 2051233873), (13, 1577872210), (26, 788936105), (65, 315574442), (130, 157787221), (1481, 13850330), (2962, 6925165), (7405, 2770066), (14810, 1385033), (19253, 1065410), (38506, 532705), (96265, 213082), (106541, 192530)]