20714880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{10789}}^1$

素因数の和:10811

約数の個数: 64

約数和(自身を含む): 66034800

約数和(自身を除く): 45319920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 10789, 21578, 32367, 43156, 53945, 64734, 86312, 107890, 129468, 161835, 172624, 215780, 258936, 323670, 345248, 431560, 517872, 647340, 690496, 863120, 1035744, 1294680, 1380992, 1726240, 2071488, 2589360, 3452480, 4142976, 5178720, 6904960, 10357440, 20714880]

約数ペア:

[(1, 20714880), (2, 10357440), (3, 6904960), (4, 5178720), (5, 4142976), (6, 3452480), (8, 2589360), (10, 2071488), (12, 1726240), (15, 1380992), (16, 1294680), (20, 1035744), (24, 863120), (30, 690496), (32, 647340), (40, 517872), (48, 431560), (60, 345248), (64, 323670), (80, 258936), (96, 215780), (120, 172624), (128, 161835), (160, 129468), (192, 107890), (240, 86312), (320, 64734), (384, 53945), (480, 43156), (640, 32367), (960, 21578), (1920, 10789)]