20163405976

素因数分解:

$2^3\times 7^1\times {\mathrm{809}}^1\times {\mathrm{445069}}^1$

素因数の和:445891

約数の個数: 32

約数和(自身を含む): 43260804000

約数和(自身を除く): 23097398024

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 809, 1618, 3236, 5663, 6472, 11326, 22652, 45304, 445069, 890138, 1780276, 3115483, 3560552, 6230966, 12461932, 24923864, 360060821, 720121642, 1440243284, 2520425747, 2880486568, 5040851494, 10081702988, 20163405976]

約数ペア:

[(1, 20163405976), (2, 10081702988), (4, 5040851494), (7, 2880486568), (8, 2520425747), (14, 1440243284), (28, 720121642), (56, 360060821), (809, 24923864), (1618, 12461932), (3236, 6230966), (5663, 3560552), (6472, 3115483), (11326, 1780276), (22652, 890138), (45304, 445069)]