20106625

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2089}}^1$

素因数の和:2122

約数の個数: 32

約数和(自身を含む): 31299840

約数和(自身を除く): 11193215

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 125, 175, 275, 385, 875, 1375, 1925, 2089, 9625, 10445, 14623, 22979, 52225, 73115, 114895, 160853, 261125, 365575, 574475, 804265, 1827875, 2872375, 4021325, 20106625]

約数ペア:

[(1, 20106625), (5, 4021325), (7, 2872375), (11, 1827875), (25, 804265), (35, 574475), (55, 365575), (77, 261125), (125, 160853), (175, 114895), (275, 73115), (385, 52225), (875, 22979), (1375, 14623), (1925, 10445), (2089, 9625)]