20534792

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 39398400

約数和(自身を除く): 18863608

約数列:

[1, 2, 4, 8, 89, 151, 178, 191, 302, 356, 382, 604, 712, 764, 1208, 1528, 13439, 16999, 26878, 28841, 33998, 53756, 57682, 67996, 107512, 115364, 135992, 230728, 2566849, 5133698, 10267396, 20534792]

約数ペア:

[(1, 20534792), (2, 10267396), (4, 5133698), (8, 2566849), (89, 230728), (151, 135992), (178, 115364), (191, 107512), (302, 67996), (356, 57682), (382, 53756), (604, 33998), (712, 28841), (764, 26878), (1208, 16999), (1528, 13439)]