20903252

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{827}}^1$

素因数の和:991

約数の個数: 24

約数和(自身を含む): 37558080

約数和(自身を除く): 16654828

約数列:

[1, 2, 4, 71, 89, 142, 178, 284, 356, 827, 1654, 3308, 6319, 12638, 25276, 58717, 73603, 117434, 147206, 234868, 294412, 5225813, 10451626, 20903252]

約数ペア:

[(1, 20903252), (2, 10451626), (4, 5225813), (71, 294412), (89, 234868), (142, 147206), (178, 117434), (284, 73603), (356, 58717), (827, 25276), (1654, 12638), (3308, 6319)]