20351925

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2741}}^1$

素因数の和:2771

約数の個数: 48

約数和(自身を含む): 40800960

約数和(自身を除く): 20449035

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 99, 135, 165, 225, 275, 297, 495, 675, 825, 1485, 2475, 2741, 7425, 8223, 13705, 24669, 30151, 41115, 68525, 74007, 90453, 123345, 150755, 205575, 271359, 370035, 452265, 616725, 753775, 814077, 1356795, 1850175, 2261325, 4070385, 6783975, 20351925]

約数ペア:

[(1, 20351925), (3, 6783975), (5, 4070385), (9, 2261325), (11, 1850175), (15, 1356795), (25, 814077), (27, 753775), (33, 616725), (45, 452265), (55, 370035), (75, 271359), (99, 205575), (135, 150755), (165, 123345), (225, 90453), (275, 74007), (297, 68525), (495, 41115), (675, 30151), (825, 24669), (1485, 13705), (2475, 8223), (2741, 7425)]