20286328

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{331}}^1$

素因数の和:547

約数の個数: 32

約数和(自身を含む): 39202560

約数和(自身を除く): 18916232

約数列:

[1, 2, 4, 8, 47, 94, 163, 188, 326, 331, 376, 652, 662, 1304, 1324, 2648, 7661, 15322, 15557, 30644, 31114, 53953, 61288, 62228, 107906, 124456, 215812, 431624, 2535791, 5071582, 10143164, 20286328]

約数ペア:

[(1, 20286328), (2, 10143164), (4, 5071582), (8, 2535791), (47, 431624), (94, 215812), (163, 124456), (188, 107906), (326, 62228), (331, 61288), (376, 53953), (652, 31114), (662, 30644), (1304, 15557), (1324, 15322), (2648, 7661)]