20138598712

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{1009}}^1\times {\mathrm{6911}}^1$

素因数の和:7964

約数の個数: 48

約数和(自身を含む): 39897100800

約数和(自身を除く): 19758502088

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 361, 722, 1009, 1444, 2018, 2888, 4036, 6911, 8072, 13822, 19171, 27644, 38342, 55288, 76684, 131309, 153368, 262618, 364249, 525236, 728498, 1050472, 1456996, 2494871, 2913992, 4989742, 6973199, 9979484, 13946398, 19958968, 27892796, 55785592, 132490781, 264981562, 529963124, 1059926248, 2517324839, 5034649678, 10069299356, 20138598712]

約数ペア:

[(1, 20138598712), (2, 10069299356), (4, 5034649678), (8, 2517324839), (19, 1059926248), (38, 529963124), (76, 264981562), (152, 132490781), (361, 55785592), (722, 27892796), (1009, 19958968), (1444, 13946398), (2018, 9979484), (2888, 6973199), (4036, 4989742), (6911, 2913992), (8072, 2494871), (13822, 1456996), (19171, 1050472), (27644, 728498), (38342, 525236), (55288, 364249), (76684, 262618), (131309, 153368)]