20824576

素因数分解:

$2^9\times {\mathrm{89}}^1\times {\mathrm{457}}^1$

素因数の和:564

約数の個数: 40

約数和(自身を含む): 42168060

約数和(自身を除く): 21343484

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 178, 256, 356, 457, 512, 712, 914, 1424, 1828, 2848, 3656, 5696, 7312, 11392, 14624, 22784, 29248, 40673, 45568, 58496, 81346, 116992, 162692, 233984, 325384, 650768, 1301536, 2603072, 5206144, 10412288, 20824576]

約数ペア:

[(1, 20824576), (2, 10412288), (4, 5206144), (8, 2603072), (16, 1301536), (32, 650768), (64, 325384), (89, 233984), (128, 162692), (178, 116992), (256, 81346), (356, 58496), (457, 45568), (512, 40673), (712, 29248), (914, 22784), (1424, 14624), (1828, 11392), (2848, 7312), (3656, 5696)]