20264656

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1039}}^1$

素因数の和:1123

約数の個数: 40

約数和(自身を含む): 41783040

約数和(自身を除く): 21518384

約数列:

[1, 2, 4, 8, 16, 23, 46, 53, 92, 106, 184, 212, 368, 424, 848, 1039, 1219, 2078, 2438, 4156, 4876, 8312, 9752, 16624, 19504, 23897, 47794, 55067, 95588, 110134, 191176, 220268, 382352, 440536, 881072, 1266541, 2533082, 5066164, 10132328, 20264656]

約数ペア:

[(1, 20264656), (2, 10132328), (4, 5066164), (8, 2533082), (16, 1266541), (23, 881072), (46, 440536), (53, 382352), (92, 220268), (106, 191176), (184, 110134), (212, 95588), (368, 55067), (424, 47794), (848, 23897), (1039, 19504), (1219, 16624), (2078, 9752), (2438, 8312), (4156, 4876)]