20117528

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2791}}^1$

素因数の和:2867

約数の個数: 32

約数和(自身を含む): 40707360

約数和(自身を除く): 20589832

約数列:

[1, 2, 4, 8, 17, 34, 53, 68, 106, 136, 212, 424, 901, 1802, 2791, 3604, 5582, 7208, 11164, 22328, 47447, 94894, 147923, 189788, 295846, 379576, 591692, 1183384, 2514691, 5029382, 10058764, 20117528]

約数ペア:

[(1, 20117528), (2, 10058764), (4, 5029382), (8, 2514691), (17, 1183384), (34, 591692), (53, 379576), (68, 295846), (106, 189788), (136, 147923), (212, 94894), (424, 47447), (901, 22328), (1802, 11164), (2791, 7208), (3604, 5582)]