20928320

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{9343}}^1$

素因数の和:9367

約数の個数: 56

約数和(自身を含む): 56961024

約数和(自身を除く): 36032704

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, 9343, 18686, 37372, 46715, 65401, 74744, 93430, 130802, 149488, 186860, 261604, 298976, 327005, 373720, 523208, 597952, 654010, 747440, 1046416, 1308020, 1494880, 2092832, 2616040, 2989760, 4185664, 5232080, 10464160, 20928320]

約数ペア:

[(1, 20928320), (2, 10464160), (4, 5232080), (5, 4185664), (7, 2989760), (8, 2616040), (10, 2092832), (14, 1494880), (16, 1308020), (20, 1046416), (28, 747440), (32, 654010), (35, 597952), (40, 523208), (56, 373720), (64, 327005), (70, 298976), (80, 261604), (112, 186860), (140, 149488), (160, 130802), (224, 93430), (280, 74744), (320, 65401), (448, 46715), (560, 37372), (1120, 18686), (2240, 9343)]