20884716

素因数分解:

$2^2\times 3^4\times {\mathrm{73}}^1\times {\mathrm{883}}^1$

素因数の和:972

約数の個数: 60

約数和(自身を含む): 55407352

約数和(自身を除く): 34522636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 73, 81, 108, 146, 162, 219, 292, 324, 438, 657, 876, 883, 1314, 1766, 1971, 2628, 2649, 3532, 3942, 5298, 5913, 7884, 7947, 10596, 11826, 15894, 23652, 23841, 31788, 47682, 64459, 71523, 95364, 128918, 143046, 193377, 257836, 286092, 386754, 580131, 773508, 1160262, 1740393, 2320524, 3480786, 5221179, 6961572, 10442358, 20884716]

約数ペア:

[(1, 20884716), (2, 10442358), (3, 6961572), (4, 5221179), (6, 3480786), (9, 2320524), (12, 1740393), (18, 1160262), (27, 773508), (36, 580131), (54, 386754), (73, 286092), (81, 257836), (108, 193377), (146, 143046), (162, 128918), (219, 95364), (292, 71523), (324, 64459), (438, 47682), (657, 31788), (876, 23841), (883, 23652), (1314, 15894), (1766, 11826), (1971, 10596), (2628, 7947), (2649, 7884), (3532, 5913), (3942, 5298)]