20895444

素因数分解:

$2^2\times 3^2\times {\mathrm{157}}^1\times {\mathrm{3697}}^1$

素因数の和:3864

約数の個数: 36

約数和(自身を含む): 53169844

約数和(自身を除く): 32274400

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 157, 314, 471, 628, 942, 1413, 1884, 2826, 3697, 5652, 7394, 11091, 14788, 22182, 33273, 44364, 66546, 133092, 580429, 1160858, 1741287, 2321716, 3482574, 5223861, 6965148, 10447722, 20895444]

約数ペア:

[(1, 20895444), (2, 10447722), (3, 6965148), (4, 5223861), (6, 3482574), (9, 2321716), (12, 1741287), (18, 1160858), (36, 580429), (157, 133092), (314, 66546), (471, 44364), (628, 33273), (942, 22182), (1413, 14788), (1884, 11091), (2826, 7394), (3697, 5652)]