20615056

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{577}}^1$

素因数の和:632

約数の個数: 80

約数和(自身を含む): 51603840

約数和(自身を除く): 30988784

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 29, 44, 56, 58, 77, 88, 112, 116, 154, 176, 203, 232, 308, 319, 406, 464, 577, 616, 638, 812, 1154, 1232, 1276, 1624, 2233, 2308, 2552, 3248, 4039, 4466, 4616, 5104, 6347, 8078, 8932, 9232, 12694, 16156, 16733, 17864, 25388, 32312, 33466, 35728, 44429, 50776, 64624, 66932, 88858, 101552, 117131, 133864, 177716, 184063, 234262, 267728, 355432, 368126, 468524, 710864, 736252, 937048, 1288441, 1472504, 1874096, 2576882, 2945008, 5153764, 10307528, 20615056]

約数ペア:

[(1, 20615056), (2, 10307528), (4, 5153764), (7, 2945008), (8, 2576882), (11, 1874096), (14, 1472504), (16, 1288441), (22, 937048), (28, 736252), (29, 710864), (44, 468524), (56, 368126), (58, 355432), (77, 267728), (88, 234262), (112, 184063), (116, 177716), (154, 133864), (176, 117131), (203, 101552), (232, 88858), (308, 66932), (319, 64624), (406, 50776), (464, 44429), (577, 35728), (616, 33466), (638, 32312), (812, 25388), (1154, 17864), (1232, 16733), (1276, 16156), (1624, 12694), (2233, 9232), (2308, 8932), (2552, 8078), (3248, 6347), (4039, 5104), (4466, 4616)]