20271352

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:567

約数の個数: 32

約数和(自身を含む): 39074400

約数和(自身を除く): 18803048

約数列:

[1, 2, 4, 8, 71, 89, 142, 178, 284, 356, 401, 568, 712, 802, 1604, 3208, 6319, 12638, 25276, 28471, 35689, 50552, 56942, 71378, 113884, 142756, 227768, 285512, 2533919, 5067838, 10135676, 20271352]

約数ペア:

[(1, 20271352), (2, 10135676), (4, 5067838), (8, 2533919), (71, 285512), (89, 227768), (142, 142756), (178, 113884), (284, 71378), (356, 56942), (401, 50552), (568, 35689), (712, 28471), (802, 25276), (1604, 12638), (3208, 6319)]