20199400479

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{733}}^1\times {\mathrm{5557}}^1$

素因数の和:6344

約数の個数: 48

約数和(自身を含む): 31820661600

約数和(自身を除く): 11621261121

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 551, 733, 1653, 2199, 4959, 5557, 6597, 13927, 16671, 21257, 41781, 50013, 63771, 105583, 125343, 161153, 191313, 316749, 403883, 483459, 950247, 1211649, 1450377, 3061907, 3634947, 4073281, 9185721, 12219843, 27557163, 36659529, 77392339, 118125149, 232177017, 354375447, 696531051, 1063126341, 2244377831, 6733133493, 20199400479]

約数ペア:

[(1, 20199400479), (3, 6733133493), (9, 2244377831), (19, 1063126341), (29, 696531051), (57, 354375447), (87, 232177017), (171, 118125149), (261, 77392339), (551, 36659529), (733, 27557163), (1653, 12219843), (2199, 9185721), (4959, 4073281), (5557, 3634947), (6597, 3061907), (13927, 1450377), (16671, 1211649), (21257, 950247), (41781, 483459), (50013, 403883), (63771, 316749), (105583, 191313), (125343, 161153)]