20267080

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5693}}^1$

素因数の和:5793

約数の個数: 32

約数和(自身を含む): 46121400

約数和(自身を除く): 25854320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 5693, 11386, 22772, 28465, 45544, 56930, 113860, 227720, 506677, 1013354, 2026708, 2533385, 4053416, 5066770, 10133540, 20267080]

約数ペア:

[(1, 20267080), (2, 10133540), (4, 5066770), (5, 4053416), (8, 2533385), (10, 2026708), (20, 1013354), (40, 506677), (89, 227720), (178, 113860), (356, 56930), (445, 45544), (712, 28465), (890, 22772), (1780, 11386), (3560, 5693)]