20051009825

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{946919}}^1$

素因数の和:946958

約数の個数: 36

約数和(自身を含む): 31233209280

約数和(自身を除く): 11182199455

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 121, 175, 275, 385, 605, 847, 1925, 3025, 4235, 21175, 946919, 4734595, 6628433, 10416109, 23672975, 33142165, 52080545, 72912763, 114577199, 165710825, 260402725, 364563815, 572885995, 802040393, 1822819075, 2864429975, 4010201965, 20051009825]

約数ペア:

[(1, 20051009825), (5, 4010201965), (7, 2864429975), (11, 1822819075), (25, 802040393), (35, 572885995), (55, 364563815), (77, 260402725), (121, 165710825), (175, 114577199), (275, 72912763), (385, 52080545), (605, 33142165), (847, 23672975), (1925, 10416109), (3025, 6628433), (4235, 4734595), (21175, 946919)]