20175099441

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1\times {\mathrm{137777}}^1$

素因数の和:138173

約数の個数: 32

約数和(自身を含む): 32449474560

約数和(自身を除く): 12274375119

約数列:

[1, 3, 7, 19, 21, 57, 133, 367, 399, 1101, 2569, 6973, 7707, 20919, 48811, 137777, 146433, 413331, 964439, 2617763, 2893317, 7853289, 18324341, 50564159, 54973023, 151692477, 353949113, 960719021, 1061847339, 2882157063, 6725033147, 20175099441]

約数ペア:

[(1, 20175099441), (3, 6725033147), (7, 2882157063), (19, 1061847339), (21, 960719021), (57, 353949113), (133, 151692477), (367, 54973023), (399, 50564159), (1101, 18324341), (2569, 7853289), (6973, 2893317), (7707, 2617763), (20919, 964439), (48811, 413331), (137777, 146433)]