20120923085

素因数分解:

$5^1\times {\mathrm{31}}^2\times {\mathrm{1831}}^1\times {\mathrm{2287}}^1$

素因数の和:4185

約数の個数: 24

約数和(自身を含む): 24973648128

約数和(自身を除く): 4852725043

約数列:

[1, 5, 31, 155, 961, 1831, 2287, 4805, 9155, 11435, 56761, 70897, 283805, 354485, 1759591, 2197807, 4187497, 8797955, 10989035, 20937485, 129812407, 649062035, 4024184617, 20120923085]

約数ペア:

[(1, 20120923085), (5, 4024184617), (31, 649062035), (155, 129812407), (961, 20937485), (1831, 10989035), (2287, 8797955), (4805, 4187497), (9155, 2197807), (11435, 1759591), (56761, 354485), (70897, 283805)]