20963128

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{439}}^1$

素因数の和:619

約数の個数: 32

約数和(自身を含む): 40550400

約数和(自身を除く): 19587272

約数列:

[1, 2, 4, 8, 47, 94, 127, 188, 254, 376, 439, 508, 878, 1016, 1756, 3512, 5969, 11938, 20633, 23876, 41266, 47752, 55753, 82532, 111506, 165064, 223012, 446024, 2620391, 5240782, 10481564, 20963128]

約数ペア:

[(1, 20963128), (2, 10481564), (4, 5240782), (8, 2620391), (47, 446024), (94, 223012), (127, 165064), (188, 111506), (254, 82532), (376, 55753), (439, 47752), (508, 41266), (878, 23876), (1016, 20633), (1756, 11938), (3512, 5969)]