20746769290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1231}}^1\times {\mathrm{129643}}^1$

素因数の和:130894

約数の個数: 32

約数和(自身を含む): 40249794816

約数和(自身を除く): 19503025526

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1231, 2462, 6155, 12310, 16003, 32006, 80015, 129643, 160030, 259286, 648215, 1296430, 1685359, 3370718, 8426795, 16853590, 159590533, 319181066, 797952665, 1595905330, 2074676929, 4149353858, 10373384645, 20746769290]

約数ペア:

[(1, 20746769290), (2, 10373384645), (5, 4149353858), (10, 2074676929), (13, 1595905330), (26, 797952665), (65, 319181066), (130, 159590533), (1231, 16853590), (2462, 8426795), (6155, 3370718), (12310, 1685359), (16003, 1296430), (32006, 648215), (80015, 259286), (129643, 160030)]