20941760

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{9349}}^1$

素因数の和:9373

約数の個数: 56

約数和(自身を含む): 56997600

約数和(自身を除く): 36055840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 9349, 18698, 37396, 46745, 65443, 74792, 93490, 130886, 149584, 186980, 261772, 299168, 327215, 373960, 523544, 598336, 654430, 747920, 1047088, 1308860, 1495840, 2094176, 2617720, 2991680, 4188352, 5235440, 10470880, 20941760]

約数ペア:

[(1, 20941760), (2, 10470880), (4, 5235440), (5, 4188352), (7, 2991680), (8, 2617720), (10, 2094176), (14, 1495840), (16, 1308860), (20, 1047088), (28, 747920), (32, 654430), (35, 598336), (40, 523544), (56, 373960), (64, 327215), (70, 299168), (80, 261772), (112, 186980), (140, 149584), (160, 130886), (224, 93490), (280, 74792), (320, 65443), (448, 46745), (560, 37396), (1120, 18698), (2240, 9349)]