20868932

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{17333}}^1$

素因数の和:17387

約数の個数: 24

約数和(自身を含む): 42710976

約数和(自身を除く): 21842044

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 17333, 34666, 69332, 121331, 242662, 485324, 745319, 1490638, 2981276, 5217233, 10434466, 20868932]

約数ペア:

[(1, 20868932), (2, 10434466), (4, 5217233), (7, 2981276), (14, 1490638), (28, 745319), (43, 485324), (86, 242662), (172, 121331), (301, 69332), (602, 34666), (1204, 17333)]