20755520

素因数分解:

$2^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1753}}^1$

素因数の和:1807

約数の個数: 56

約数和(自身を含む): 50788824

約数和(自身を除く): 30033304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 148, 160, 185, 296, 320, 370, 592, 740, 1184, 1480, 1753, 2368, 2960, 3506, 5920, 7012, 8765, 11840, 14024, 17530, 28048, 35060, 56096, 64861, 70120, 112192, 129722, 140240, 259444, 280480, 324305, 518888, 560960, 648610, 1037776, 1297220, 2075552, 2594440, 4151104, 5188880, 10377760, 20755520]

約数ペア:

[(1, 20755520), (2, 10377760), (4, 5188880), (5, 4151104), (8, 2594440), (10, 2075552), (16, 1297220), (20, 1037776), (32, 648610), (37, 560960), (40, 518888), (64, 324305), (74, 280480), (80, 259444), (148, 140240), (160, 129722), (185, 112192), (296, 70120), (320, 64861), (370, 56096), (592, 35060), (740, 28048), (1184, 17530), (1480, 14024), (1753, 11840), (2368, 8765), (2960, 7012), (3506, 5920)]