20729255312

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{2003}}^1\times {\mathrm{7793}}^1$

素因数の和:9887

約数の個数: 40

約数和(自身を含む): 40672334304

約数和(自身を除く): 19943078992

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 2003, 4006, 7793, 8012, 15586, 16024, 31172, 32048, 62344, 124688, 166249, 332498, 646819, 664996, 1293638, 1329992, 2587276, 2659984, 5174552, 10349104, 15609379, 31218758, 62437516, 124875032, 249750064, 1295578457, 2591156914, 5182313828, 10364627656, 20729255312]

約数ペア:

[(1, 20729255312), (2, 10364627656), (4, 5182313828), (8, 2591156914), (16, 1295578457), (83, 249750064), (166, 124875032), (332, 62437516), (664, 31218758), (1328, 15609379), (2003, 10349104), (4006, 5174552), (7793, 2659984), (8012, 2587276), (15586, 1329992), (16024, 1293638), (31172, 664996), (32048, 646819), (62344, 332498), (124688, 166249)]