20375577145

素因数分解:

$5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{1080073}}^1$

素因数の和:1080110

約数の個数: 32

約数和(自身を含む): 31106131200

約数和(自身を除く): 10730554055

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 343, 385, 539, 1715, 2695, 3773, 18865, 1080073, 5400365, 7560511, 11880803, 37802555, 52923577, 59404015, 83165621, 264617885, 370465039, 415828105, 582159347, 1852325195, 2910796735, 4075115429, 20375577145]

約数ペア:

[(1, 20375577145), (5, 4075115429), (7, 2910796735), (11, 1852325195), (35, 582159347), (49, 415828105), (55, 370465039), (77, 264617885), (245, 83165621), (343, 59404015), (385, 52923577), (539, 37802555), (1715, 11880803), (2695, 7560511), (3773, 5400365), (18865, 1080073)]