20112492225

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{131}}^1\times {\mathrm{41777}}^1$

素因数の和:41935

約数の個数: 72

約数和(自身を含む): 38977871328

約数和(自身を除く): 18865379103

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 131, 147, 175, 245, 393, 525, 655, 735, 917, 1225, 1965, 2751, 3275, 3675, 4585, 6419, 9825, 13755, 19257, 22925, 32095, 41777, 68775, 96285, 125331, 160475, 208885, 292439, 481425, 626655, 877317, 1044425, 1462195, 2047073, 3133275, 4386585, 5472787, 6141219, 7310975, 10235365, 16418361, 21932925, 27363935, 30706095, 38309509, 51176825, 82091805, 114928527, 136819675, 153530475, 191547545, 268166563, 410459025, 574642635, 804499689, 957737725, 1340832815, 2873213175, 4022498445, 6704164075, 20112492225]

約数ペア:

[(1, 20112492225), (3, 6704164075), (5, 4022498445), (7, 2873213175), (15, 1340832815), (21, 957737725), (25, 804499689), (35, 574642635), (49, 410459025), (75, 268166563), (105, 191547545), (131, 153530475), (147, 136819675), (175, 114928527), (245, 82091805), (393, 51176825), (525, 38309509), (655, 30706095), (735, 27363935), (917, 21932925), (1225, 16418361), (1965, 10235365), (2751, 7310975), (3275, 6141219), (3675, 5472787), (4585, 4386585), (6419, 3133275), (9825, 2047073), (13755, 1462195), (19257, 1044425), (22925, 877317), (32095, 626655), (41777, 481425), (68775, 292439), (96285, 208885), (125331, 160475)]