20099475

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2707}}^1$

素因数の和:2737

約数の個数: 48

約数和(自身を含む): 40295040

約数和(自身を除く): 20195565

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, 2707, 7425, 8121, 13535, 24363, 29777, 40605, 67675, 73089, 89331, 121815, 148885, 203025, 267993, 365445, 446655, 609075, 744425, 803979, 1339965, 1827225, 2233275, 4019895, 6699825, 20099475]

約数ペア:

[(1, 20099475), (3, 6699825), (5, 4019895), (9, 2233275), (11, 1827225), (15, 1339965), (25, 803979), (27, 744425), (33, 609075), (45, 446655), (55, 365445), (75, 267993), (99, 203025), (135, 148885), (165, 121815), (225, 89331), (275, 73089), (297, 67675), (495, 40605), (675, 29777), (825, 24363), (1485, 13535), (2475, 8121), (2707, 7425)]