20103028

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{9721}}^1$

素因数の和:9783

約数の個数: 24

約数和(自身を含む): 39199104

約数和(自身を除く): 19096076

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 188, 517, 1034, 2068, 9721, 19442, 38884, 106931, 213862, 427724, 456887, 913774, 1827548, 5025757, 10051514, 20103028]

約数ペア:

[(1, 20103028), (2, 10051514), (4, 5025757), (11, 1827548), (22, 913774), (44, 456887), (47, 427724), (94, 213862), (188, 106931), (517, 38884), (1034, 19442), (2068, 9721)]