20503728

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{20341}}^1$

素因数の和:20362

約数の個数: 60

約数和(自身を含む): 65582608

約数和(自身を除く): 45078880

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 20341, 40682, 61023, 81364, 122046, 142387, 162728, 183069, 244092, 284774, 325456, 366138, 427161, 488184, 569548, 732276, 854322, 976368, 1139096, 1281483, 1464552, 1708644, 2278192, 2562966, 2929104, 3417288, 5125932, 6834576, 10251864, 20503728]

約数ペア:

[(1, 20503728), (2, 10251864), (3, 6834576), (4, 5125932), (6, 3417288), (7, 2929104), (8, 2562966), (9, 2278192), (12, 1708644), (14, 1464552), (16, 1281483), (18, 1139096), (21, 976368), (24, 854322), (28, 732276), (36, 569548), (42, 488184), (48, 427161), (56, 366138), (63, 325456), (72, 284774), (84, 244092), (112, 183069), (126, 162728), (144, 142387), (168, 122046), (252, 81364), (336, 61023), (504, 40682), (1008, 20341)]