20542275

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2341}}^1$

素因数の和:2373

約数の個数: 48

約数和(自身を含む): 40657120

約数和(自身を除く): 20114845

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 135, 195, 225, 325, 351, 585, 675, 975, 1755, 2341, 2925, 7023, 8775, 11705, 21069, 30433, 35115, 58525, 63207, 91299, 105345, 152165, 175575, 273897, 316035, 456495, 526725, 760825, 821691, 1369485, 1580175, 2282475, 4108455, 6847425, 20542275]

約数ペア:

[(1, 20542275), (3, 6847425), (5, 4108455), (9, 2282475), (13, 1580175), (15, 1369485), (25, 821691), (27, 760825), (39, 526725), (45, 456495), (65, 316035), (75, 273897), (117, 175575), (135, 152165), (195, 105345), (225, 91299), (325, 63207), (351, 58525), (585, 35115), (675, 30433), (975, 21069), (1755, 11705), (2341, 8775), (2925, 7023)]