20533984

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{33773}}^1$

素因数の和:33802

約数の個数: 24

約数和(自身を含む): 42555240

約数和(自身を除く): 22021256

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 33773, 67546, 135092, 270184, 540368, 641687, 1080736, 1283374, 2566748, 5133496, 10266992, 20533984]

約数ペア:

[(1, 20533984), (2, 10266992), (4, 5133496), (8, 2566748), (16, 1283374), (19, 1080736), (32, 641687), (38, 540368), (76, 270184), (152, 135092), (304, 67546), (608, 33773)]