20169716

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1223}}^1$

素因数の和:1284

約数の個数: 48

約数和(自身を含む): 43868160

約数和(自身を除く): 23698444

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 124, 133, 217, 266, 434, 532, 589, 868, 1178, 1223, 2356, 2446, 4123, 4892, 8246, 8561, 16492, 17122, 23237, 34244, 37913, 46474, 75826, 92948, 151652, 162659, 265391, 325318, 530782, 650636, 720347, 1061564, 1440694, 2881388, 5042429, 10084858, 20169716]

約数ペア:

[(1, 20169716), (2, 10084858), (4, 5042429), (7, 2881388), (14, 1440694), (19, 1061564), (28, 720347), (31, 650636), (38, 530782), (62, 325318), (76, 265391), (124, 162659), (133, 151652), (217, 92948), (266, 75826), (434, 46474), (532, 37913), (589, 34244), (868, 23237), (1178, 17122), (1223, 16492), (2356, 8561), (2446, 8246), (4123, 4892)]