20905656

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{28099}}^1$

素因数の和:28139

約数の個数: 32

約数和(自身を含む): 53952000

約数和(自身を除く): 33046344

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 248, 372, 744, 28099, 56198, 84297, 112396, 168594, 224792, 337188, 674376, 871069, 1742138, 2613207, 3484276, 5226414, 6968552, 10452828, 20905656]

約数ペア:

[(1, 20905656), (2, 10452828), (3, 6968552), (4, 5226414), (6, 3484276), (8, 2613207), (12, 1742138), (24, 871069), (31, 674376), (62, 337188), (93, 224792), (124, 168594), (186, 112396), (248, 84297), (372, 56198), (744, 28099)]