20415884

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{4093}}^1$

素因数の和:4169

約数の個数: 24

約数和(自身を含む): 37828560

約数和(自身を除く): 17412676

約数列:

[1, 2, 4, 29, 43, 58, 86, 116, 172, 1247, 2494, 4093, 4988, 8186, 16372, 118697, 175999, 237394, 351998, 474788, 703996, 5103971, 10207942, 20415884]

約数ペア:

[(1, 20415884), (2, 10207942), (4, 5103971), (29, 703996), (43, 474788), (58, 351998), (86, 237394), (116, 175999), (172, 118697), (1247, 16372), (2494, 8186), (4093, 4988)]